Our Leadership Team

Yaniv Vardi is a dynamic and highly accomplished entrepreneur with more than two decades of global executive leadership experience. He has established a long-standing and impressive track record of developing and executing global business strategies and directing worldwide growth. As Claroty’s Chief Executive Officer, Vardi is leading the company through its next stage of growth and solidifying its position as the leader in cyber-physical systems security. Prior to joining Claroty, he recently served as the Global Managing Director of Centrica Business Solutions, International, managing 8 countries and expanding the company’s proposition mainly in Europe, South America, and Asia Pacific into a significant business. Prior to joining Centrica, Vardi was the CEO of Panoramic Power, a global pioneer in energy management solutions for global C&I customers, which was acquired by Centrica. Prior to joining Panoramic Power, Vardi was Co-founder and Managing Director of Sparta Systems EMEA, successfully driving its operations to be the leading provider of QMS in the Life Science industry, and leading the company to a successful acquisition. Based on his wealth of experience, Vardi brings vital knowledge of operational direction and strategies as a board director and chairman in different companies in Israel, Europe, and the United States. Vardi graduated Magna Cum Laude from the New Jersey Institute of Technology majoring in Industrial and Management Engineering and Management of Information Systems and served in the Israeli Air Force for five years.

Jonathan Langer is the Chief Operating Officer at Claroty. Previously, he co-founded and served as CEO at Medigate. He gained his cybersecurity expertise in the Israeli Defense Intelligence Corps, where he worked his way up to branch leader and commanded a team of technical analysts focused on the research of cyber related domains, earning the prestigious Israel Defense Award. He holds a LL.B from the Interdisciplinary Center in Herzliya.

Grant Geyer is Chief Strategy Officer at Claroty, responsible for leading the company’s strategy process, determining possible market opportunities, category adjacencies, and investment theses for value creation. He works with stakeholders in the executive leadership team to determine the best ways to accelerate the execution of the corporate vision. He has had a successful career as an operator in the cybersecurity industry for over 20 years at companies of different stages of growth. He previously served as Claroty’s Chief Product Officer, overseeing the product management, engineering, and research organizations, and was responsible for the company’s product strategy and development. Prior to joining Claroty, he worked as an Executive-in-Residence at Scale Venture Partners, where he assisted the firm in analyzing cybersecurity markets and ventures. Previously, Geyer held the role of Senior Vice President of Products for RSA, responsible for both traditional and SaaS product offerings. Prior to RSA, Geyer served as Vice President at Symantec, which he joined through its acquisition of Riptech. Earlier in his career, Geyer served as a Military Intelligence officer for the U.S. Army. He holds a B.S. in Computer Science from the U.S. Military Academy at West Point and a M.S. in Engineering Management from the University of Maryland, Baltimore.

Yoram Gronich is Chief Product Officer at Claroty, where he is responsible for the company’s product strategy and development, optimizing across the product and R&D team for execution at scale. Yoram has over 20 years of experience running product management, engineering, and data teams at high-growth, industry-leading cybersecurity companies. Previously, Yoram served as VP of R&D and SVP of Products and Engineering at Tufin, where he grew R&D from a team of ten to over 200 engineers and product managers, launched new product lines, and helped lead the company through the IPO process. Before that, Yoram worked at Symantec and Check Point, where he gained experience in cybersecurity and enterprise software engineering and management. Yoram holds a BSc in Physics and Computer Science and a Masters in Electrical Engineering from Tel-Aviv University.

Derek is the Chief Revenue Officer at Claroty, responsible for the global sales organization including the channel, operations, and sales development. Derek brings over 25 years of experience as a global technology, supply chain, and security executive across large public, and private equity-backed organizations. Prior to joining Claroty, Phillips was most recently the Deputy CEO for Kudelski Security, after spending several years serving as the company’s CRO, where he led the go-to-market strategy, offering portfolio, and global client success program, with a special focus on driving continued growth of the company’s key services and expanding client relationships worldwide.

During his tenure, Phillips spearheaded the company’s strategy to increase adoption of its Managed Detection and Response (MDR) offering, and advisory capabilities, including OT and IoT.  Previous roles include SVP of Sales and Market Development at Deloitte, RVP of North America Sales at JDA Software, and 15 years in sales at IBM.

Udi Bar Sela is responsible for all aspects of Claroty’s corporate finance, financial planning, strategic growth planning, and accounting. He has 20 years of financial leadership experience in both public and private technology companies in Israel and the United States. Most Recently, Udi served as Chief Accounting Officer for Ormat (NYSE: ORA) and prior to that, he was CFO at Advanced Vision Technology (AVT). During his years in Silicon Valley, he held several executive and senior finance level positions, including CFO at Tigo Energy, Vice President Finance at Soraa, and Division Head of Finance at Zoran Corporation. Bar Sela holds a B.A. in Economics and Accounting from the Hebrew University in Jerusalem and an M.B.A. from Tel Aviv University.

Upa Campbell is the Chief Marketing Officer at Claroty. She is a seasoned executive with deep domain expertise in DevOps and cybersecurity. She is passionate about company building with a proven track record of bringing new businesses to market. She most recently served as chief strategy and marketing officer at Accurics (acquired by Tenable). Prior to that she was CMO of Prisma, the cloud security division of Palo Alto Networks, where she helped launch and scale the business. She previously held similar roles at RedLock (acquired by Palo Alto Networks) and Palerra (acquired by Oracle), and was part of the founding team at Zscaler (NASDAQ: ZS).

As Chief Customer Officer, Shira Bar Yosef focuses on ensuring a strong link between Claroty’s customer relationships and strategy and the product and business roadmap. She brings 20-plus years of experience in customer support, professional services, research and development, and sales operations at industry-leading cybersecurity companies to fortify the customer journey and expand opportunities to enhance all areas of the customer experience.

Prior to joining Claroty, Shira served as general manager of Israel and SVP of technical customer experience at Cybereason. Previously, she spent over 20 years at Check Point Software Technologies, where she held various leadership roles across sales operations and customer success. At Check Point, she was responsible for end-to-end global customer and partner support operations and services, including designing and launching industry-leading support concepts and programs, heading accounts services, knowledge center, and hardware services. She also developed service methodologies and rollout, and held the overall responsibility for Check Point sales planning and enablement, forecasting, GTM operation, sales training, and renewals.

Rotem Sher is the Chief of Staff at Claroty. Rotem is an energetic, technology driven and result oriented executive, with over 15 years of experience and a proven track record of driving operational efficiency and productivity in global organizations. She is passionate about leading business units, building companies to scale, and executing global multi-million-dollar projects.

Rotem has held a variety of executive business operations roles in both small innovative companies and large enterprises, including Wix (NASDAQ:WIX). Prior to joining Claroty, Rotem served as Deputy CEO of EPM.
In her role as Chief of Staff, she leads key initiatives and works closely with the executive leadership to ensure effective execution of Claroty’s operational strategy and growth.

Rotem holds a degree in Industrial Engineering and Management (B.Sc) from Tel Aviv University.

As Chief Legal Officer (CLO), Yuval Fessler is focused on further scaling Calroty's rapid growth and driving international expansion and public market readiness. A seasoned public company executive and expert in complex commercial transactions, corporate M&A, capital markets, and regulatory strategy, he has nearly two decades of legal and business experience, with a strong track record in leading global legal and corporate affairs and driving high-impact strategic initiatives.

Prior to joining Claroty, Fessler served as Chief Legal & Business Officer at Tufin, where he led the company’s NYSE IPO in 2019, navigated complex shareholder and securities matters, and negotiated high-impact deals with Fortune 500 and Global 2000 clients across finance, tech, retail, aerospace, and government sectors. Fessler also served as Chief Legal & Business Officer and Corp Dev Lead at OpenWeb, where he was instrumental in raising over $300 million in growth capital and led several strategic global acquisitions.

Amir Preminger is Chief Technology Officer at Claroty. As CTO, Amir drives innovation across our products, services, and operations, using his deep technical expertise to shape the technology fueling our products, meeting our customers’ most critical needs, and spurring our business growth. Amir is an experienced cybersecurity researcher, and was the founder of Claroty Team82, guiding its innovative strategic direction and establishing it as the premier vulnerability and threat research team working exclusively on cyber-physical systems. Prior to Claroty, Amir spent almost a decade in one of the IDF's elite technological units, where he played a key role in the research and development of advanced cyber solutions across multidisciplinary domains. Amir holds a B.Sc. in Computer Science from the Academic College of Tel-Aviv Yafo.

Natalie Katester Boimer is the Global Vice President of Human Resources at Claroty. Natalie brings more than a decade of experience in Human Resources, including strong experience in recruiting and career development. In the last few years, Natalie specialized in cybersecurity startups, working with entrepreneurs and executive teams on helping them build successful companies for scale. Before joining Claroty, Natalie worked at Sygnia Consulting Ltd as its Human Resources Manager until the company was acquired. Prior to that, Natalie was Team8 Labs Ltd Human Resources & Recruitment Manager and managed the recruiting for all Team8's portfolio companies. Natalie also served in recruiting leadership roles at a software house, where she headed the company's recruitment department.Natalie holds a BA in Behavioral Science and Human Resources, and an MBA specializing in Human Resources, both from the College of Management Academic Studies.

Stephan Goldberg is the Vice President of Business Development at Claroty. Previously he managed the technical aspects of Medigate’s (acquired by Claroty) GTM strategy as well as envisioning and forming its strategic technology alliances. Stephan also served as a software engineer at Google, designing and implementing new products and services. He gained his cybersecurity expertise working his way up to Lead Tech Intelligence Researcher and commanded a large-scale section of the Israeli Defense Intelligence Corps. Stephan earned the prestigious Israel’s Defense Prize, awarded by the President of Israel. He holds a Bachelor’s of Science in Computer Science from Tel Aviv University, where he graduated Cum Laude.

Yuval Shachar is the Executive Chairman and Managing Partner at Team8. Building on his vast experience as an investor and entrepreneur, he provides strategic business leadership and guidance to the fund and its portfolio companies. In prior roles as co-founder and General Partner of the venture capital firm Marker-LLC and the investment partner of Eric Schmidt's Innovation Endeavors, Yuval sourced and led numerous successful early-stage investments in technology companies. Previously as an entrepreneur, Yuval co-founded P-Cube and served as its CEO up until its acquisition by Cisco, then served as GM of one of Cisco’s business units; he co-founded Pentacom (acquired by Cisco), Qwilt; and created one of the first Internet appliances, leading the creation of Infogear (also acquired by Cisco).

Dave DeWalt is a board advisor for Claroty. He is the former Executive Chairman, Chief Executive officer and Chairman of the Board of Directors of FireEye, Inc. Dave has more than 20 years in the technology space, holding a series of leadership positions in some of the industry's most innovative and successful companies. Previous to FireEye, Dave served as President and Chief Executive Officer of McAfee, Inc. and led the acquisition of McAfee by Intel for $7.7 billion in 2010. Prior to McAfee, Dave oversaw customer operations and sales at EMC Corporation. At EMC, he helped form the EMC Software Group (ESG), which in turn helped transform EMC from a hardware vendor to a complete IT provider. Dave joined EMC in 2003 when EMC acquired Documentum, the global leader in enterprise content management. As President and Chief Executive Officer, Dave led Documentum through nine consecutive quarters of growth, five record revenue quarters and four successful acquisitions before leading the sale of the company to EMC for $1.9 billion.Prior to joining Documentum, Dave was founding Principal and Vice President of Eventus Software.

Yaniv Vardi is a dynamic and highly accomplished entrepreneur with more than two decades of global executive leadership experience. He has established a long-standing and impressive track record of developing and executing global business strategies and directing worldwide growth. As Claroty’s Chief Executive Officer, Vardi is leading the company through its next stage of growth and solidifying its position as the leader in cyber-physical systems security. Prior to joining Claroty, he recently served as the Global Managing Director of Centrica Business Solutions, International, managing 8 countries and expanding the company’s proposition mainly in Europe, South America, and Asia Pacific into a significant business. Prior to joining Centrica, Vardi was the CEO of Panoramic Power, a global pioneer in energy management solutions for global C&I customers, which was acquired by Centrica. Prior to joining Panoramic Power, Vardi was Co-founder and Managing Director of Sparta Systems EMEA, successfully driving its operations to be the leading provider of QMS in the Life Science industry, and leading the company to a successful acquisition. Based on his wealth of experience, Vardi brings vital knowledge of operational direction and strategies as a board director and chairman in different companies in Israel, Europe, and the United States. Vardi graduated Magna Cum Laude from the New Jersey Institute of Technology majoring in Industrial and Management Engineering and Management of Information Systems and served in the Israeli Air Force for five years.

Amir Zilberstein is the co-founder of Claroty and a pioneer in the OT security market. Prior to Claroty, Amir co-founded Waterfall Security Solutions–a manufacturer of high-end security gateways for the critical infrastructure markets. Earlier, Amir co-founded Gita Technologies and prior to that he managed a team of exceptional researchers and developers in an elite cyber unit of the Israeli Defense Force. Amir is the inventor and author of more than ten patents, most of which are in the field of cyber security. He holds a BSc and an MSc in Computer Sciences and Mathematics with Honors from Bar-Ilan University in Ramat Gan, Israel.

Galina Antova is a cybersecurity entrepreneur and executive with over 15 years in the cybersecurity industry. For the last nine years, Galina has focused on advancing the state of cybersecurity for critical infrastructure: first, through her work of establishing and leading Industrial Security Services at Siemens and later, through co-founding Claroty and growing it into the global leader in this new market segment. Previously, Galina held a number of leadership roles in IBM's Cloud Services business. She is the recipient of many notable accolades that recognize her leadership in the security industry and is frequently invited to speak at large security conferences such as RSA Conference. Galina is an advocate for diversity, a mentor and contributor to various organizations promoting and supporting female founders. She holds a BS in Computer Science from York University, Toronto, and an MBA from IMD, Switzerland.

David Cowan, a partner in Bessemer’s Menlo Park office, launched the firm’s practices in cloud infrastructure, consumer tech, cyber-security and space tech. His historical portfolio includes Ciena, Hotjobs, Blue Nile, LinkedIn, LifeLock, PSI-Net, Qualys and over a dozen other IPOs, as well as many large acquisitions such as Twitch, Postini, Cyota, Tripwire, Netli, Playdom, Dropcam and Skybox Imaging. His current portfolio – spanning startups founded in the U.S., Argentina, Singapore, Israel, New Zealand and Scotland – includes Getinsured, Smule, Twilio, Rocket Lab, iSight Partners, Spire Global, Endgame, Auth0, Zapier and Zoosk.

Amit Lubovsky is an Investment Director at Softbank Vision Fund with more than 20 years of experience in the technology space. Prior to Softbank, Amit led the development of the first paid mobile product at Salesforce. Earlier, Amit co-founded and sold CrowdX, a mobile data analytics platform, and Tawkon, a mobile app that empowers cell phone users to live a healthy lifestyle. Earlier in his career, Amit held software and product leadership roles at Texas Instruments, Infineon, and Rad Group. 

Amit graduated magna cum laude from Tel Aviv University with Bachelor degrees in Mechanical Engineering and Computer Science, and earned his MBA from Technion - Israel Institute of Technology.

Meir is a founding partner at MoreVC. He specializes in energy technology, cybersecurity, infrastructure and finance. Meir represents MoreVC as a board member/observer at Grid4C, Lumos, Claroty, C2A Security, Ception and Panoramic Power (acquired by Centrica/Direct Energy). Prior to co-founding MoreVC, Meir served as CFO of Sentry Technology Group Inc., an Israeli-US startup. From 2000 to 2004, he worked at SG Cowen, a leading technology and healthcare investment bank, initially as an investment banker working on public and private equity offerings and M&A transactions, and subsequently as a research analyst covering defense and industrial technology companies. Meir began his venture capital career in the mid 1990's, working at Jerusalem Global Ltd., an Israeli merchant bank and consulting practice that was a leading player in the early days of Israel's venture industry. He served two tours of duty in the Israeli military, including as an officer in IDF’s Unit 8200. Meir received a B.A. in political science and East Asian studies from Columbia University.

Abel is Managing Director, Life Sciences and Industrials at ISTARI, a global cybersecurity platform dedicated to helping clients build cyber resilience. He is also responsible for building ISTARI’s advisory and program management team.

Prior to joining ISTARI in October 2020, Abel was head of IT and Digital Transformation for the Pharma Division of Bayer since 2017, and a member of the Bayer Group IT Board. Before joining Bayer, Abel was Global CIO of Sandoz, a Novartis Division (2012-17), head of IT for Novartis Technical Operations (~85 plants) looking after manufacturing, supply chain and quality, and a member of the Novartis IT Board. 

Past positions include Cemex (CIO EMEA), Dell (General Manager, Mexico) and Boston Consulting Group (Principal, Monterrey and Dallas offices). He holds a degree in electronics engineering from Tec de Monterrey, Mexico, and an MBA and Public Management degree from Stanford Graduate School of Business.

Peter Marturano is Technology Sector Head of Standard Investments—a related business of privately-held global industrial company Standard Industries—where he leads investment efforts in the technology, media, and telecommunications sectors across both later-stage private and public markets. Marturano has over 15 years of technology investing experience, having served in various positions at Fox Point Capital, TA Associates, and Credit Suisse First Boston before joining Standard in 2013. He is a graduate of Stanford Graduate School of Business, where he was an Arjay Miller Scholar, and Harvard University, where he was a John Harvard Scholar.

John Miller is Vice President & Chief IP Counsel at Rockwell Automation, the global leader in industrial automation and digital transformation, where he is responsible for securing intellectual property rights arising from the research and development efforts of the corporation. He is also responsible for litigation relating to intellectual property matters and monetizing intellectual assets.

Amit Chaturvedy is the Managing Partner & Global Head of SE Ventures, where he oversees the €1B global venture investments platform. Amit drives the overall fund strategy and brings nearly 20 years of professional experience in venture capital, private equity, and corporate development.

Previously, Amit was at Cisco Systems, where he was the Global Head of venture investing and corporate development for Cloud Computing, IoT, Data Center & Enterprise Networking. Before Cisco Systems, Amit was a Director at Summit Partners, where he led investments in US and Asia with a focus on industrial sectors. Amit started his career as an R&D Engineer at Cummins Engines, supporting connected vehicles and EV programs.

Amit has an MBA from Harvard Business School, an MSME from Purdue University, and his BTech in ME from the Indian Institute of Technology, Bombay.

Admiral (Ret.) Michael S. Rogers retired in 2018 from the U.S. Navy after a distinguished 37-year career. In March 2014 he was appointed by President Barack Obama as the 17th Director of the National Security Agency and the 2nd Commander of U.S. Cyber Command. Prior to earning his fourth star he commanded the U.S. Tenth Fleet and U.S. Fleet Cyber Command. Admiral Rogers also served as the Director for Intelligence for both the Joint Chiefs of Staff and U.S. Pacific Command. A native of Chicago, he attended Auburn University, graduating in 1981 and receiving his commission via the Naval Reserve Officers Training Corps. Originally a surface warfare officer (SWO), he was selected for re-designation to cryptology (now Information Warfare) in 1986. Rogers is a distinguished graduate of the National War College and a graduate of highest distinction from the Naval War College.

Mr Inglis is a Visiting Professor at the U.S. Air Force and Naval Academies, a senior advisor to Hakluyt and Company, a member of the Huntington Bancshares Board, and the U.S. Department of Homeland Security Cybersecurity Advisory Council.

From 2021 to 2023 Mr Inglis served in the White House as the inaugural Senate confirmed U.S. National Cyber Director, building on his service as a Commissioner on the U.S. Cyberspace Solarium Commission (2019-2020), eight years as the Deputy Director and Chief Operating Officer of the National Security Agency (2006-2014) and three years as the Special U.S. Liaison to London (2003-2006).

Mr. Inglis holds advanced degrees in engineering and computer science from Columbia University, the Johns Hopkins University, and the George Washington University, and an honorary doctorate from the National Intelligence University. Mr. Inglis’ military career includes 30 years of service in the US Air Force and Air National Guard. He retired as a Brigadier General and holds the rating of USAF Command Pilot.

Jim LaBonty is the retired Director and Head of Global Automation Engineering for Pfizer's Global Engineering & Technology division. In this role he primarily focused on establishing the strategic direction and harmonizing control system solutions across 42 manufacturing sites globally, including securing the development of Pfizer's COVID-19 vaccine. Previously, LaBonty held senior engineering and system architect roles at Rockwell Automation, Eli Lilly & Company, and Eastman Kodak Company. He now leverages his decades of experience to help firms with their corporate OT cyber strategy and global program execution, with the goal of protecting manufacturing.

Jesse Whaley is Chief Information Security Officer (CISO) of Amtrak, where he leads the management of cyber risk and information security matters, managing everything from traditional enterprise technology risks to unique challenges with operational technology. Prior to his role at Amtrak, Whaley held several leadership positions at the U.S. Department of Defense Cybersecurity Operations Center and spent 10 years serving in the U.S. Army as a special agent to various cyber crime divisions. Additionally, Whaley is a graduate of the esteemed FBI CISO Academy.

Charles Carmakal is the Chief Technology Officer of Mandiant Consulting, the security consulting organization of Google Cloud. He oversees a team of incident responders, analysts, and security consultants that have helped thousands of organizations respond to complex security breaches orchestrated by foreign governments and organized criminals. Charles led the teams that discovered and responded to some of the most impactful security events, including the SolarWinds supply chain attack and the Colonial Pipeline cyber disruption. Charles has over 20 years of experience helping organizations become more resilient to cyber attacks.

Charles has significant experience helping Fortune 500 organizations build and enhance security programs to combat advanced attacks.  He provides strategic security guidance to executive leadership and boards of directors.

Charles has testified before Congress on multiple cybersecurity topics. He is regularly interviewed by mainstream media organizations and has been included in hundreds of television and print stories on cybersecurity topics.

Prior to joining Mandiant, Mr. Carmakal served in various leadership roles within PwC in the US and Australia.  He received Bachelor’s and Master’s degrees in Decision and Information Sciences from the University of Florida.

Kirsten Davies is a globally recognized leader in cybersecurity, enterprise transformation, digital innovation, technology risk management, and AI assurance. She is an ardent advocate for the ethical use of technology and AI to support individuals’ rights. Kirsten’s experience stretches across multiple continents, industries, and Fortune 500/FTSE 100 companies, where she has served as Chief Information Security Officer for Unilever and for The Estee Lauder Companies, Corporate Security Officer for Barclays (Africa Group), and Deputy CISO for both Hewlett Packard Enterprises and Siemens. An active investor, she also advises start-ups and VCs and is a member of the National Security Institute’s Cyber & Tech Security Council. Across her career, Kirsten has been a catalyst for developing impactful awareness and education campaigns for global corporations’ employees and their families, supporting their safety and security in everything from digital communication to online banking to safe social media interactions.