Leadership

Lior Div

Chief Executive Officer & Co-Founder

Lior Div, Chief Executive Officer and Co-Founder of Cybereason, is an expert in hacking operations, forensics, reverse engineering, malware analysis, cryptography, and evasion. Previously, Lior served in key security forces agencies as commander of cyber security teams, where he received a Medal of Honor. Prior to co-founding Cybereason, Lior founded a cyber security services company that provided services to government agencies.

Yossi Naar

Chief Visionary Officer & Co-Founder

Yossi Naar, Chief Visionary Officer and Co-Founder, is an accomplished software developer and architect. During his 20 years of industry experience, Yossi has designed and built many products, from cutting-edge security platforms for the defense industry to big data platforms for the AdTech / digital marketing industry as well as the Cybereason in-memory graph engine.

Yonatan Striem-Amit

Chief Technology Officer & Co-Founder

Yonatan Striem-Amit, Chief Technology Officer and Co-Founder of Cybereason, is a machine learning, big data analytics, reverse engineering and cyber security expert, with over a decade of experience building highly sophisticated custom solutions to cyber for governmental agencies. Prior to founding Cybereason, Yonatan headed the development for Watchdox, a leading DRM and SaaS security startup.

Russell Stein

Chief Financial Officer

Russell Stein has more than 20 years of experience, most recently at Intellectual Ventures where he was Executive Vice President, Corporate Development & Investments and Chief Financial Officer. Previously, he spent 15 years at Merrill Lynch in roles such as CEO of Merrill Lynch Bank, Managing Director, Head of Global Corporate Finance (Investment Banking Division) and Global Treasurer.

Emmy Linder

Chief Operating Officer

Emmy Linder, Chief Operating Officer, has 20 years of senior management experience, including 5 years in operating product and project management roles in technology companies. Prior to joining Cybereason, she worked for The Boston Consulting Group, where she focused on operational excellence and organizational design programs. Emmy began her career in the military where she commanded a 24/7 intelligence team.

Shai Horovitz

Chief Revenue Officer

Shai Horovitz, Chief Revenue Officer, has held several senior leadership roles within Cybereason, from Head of Business Development & Strategic Alliances to CEO, Cybereason Japan, now a significant contributor to the overall business. Prior to joining Cybereason, Shai was a senior leader in special operations for the military.

Bhanu Sareddy

Chief Customer Officer

Bhanu Sareddy, Chief Customer Officer, has a clear track record of defining the customer journey and delivering value. With experience at Tufin, Fuze, Aveksa (RSA), and Netegrity (CA), he managed professional services, customer success, and support teams delivering enterprise-grade solutions that have driven revenue, created long-term relationships, and built trust with customers.

Meg O'Leary

Chief Marketing Officer

Meg O'Leary, Chief Marketing Officer, has more than 15 years of experience in communications and marketing roles both on the corporate and agency sides. Meg co-founded InkHouse, one of the largest independent public relations agencies in the country. In addition, Meg served in various marketing, communications, and product management roles at RSA Security and also held key marketing positions at Capsule8, Charles River Ventures (CRV) and Novera Software (now IBM).

Lior Mozel

Chief Engineering Officer

Lior Mozel, Chief Engineering Officer, brings more than 20 years of experience building R&D organizations that are focused on business value. Lior joined Cybereason after leading the R&D in Playbuzz, and before Lior held various management positions at Imperva, including leading the R&D of both the application security and data security product lines.

Marisa Ianelli, Senior Vice President People, brings over 15 years of HR and Talent Acquisition leadership experience and a passion for building and empowering teams in high growth markets. She’s developed and run innovative Diversity and Inclusion initiatives and is hyper focused on employee experience. Marisa has worked in both professional services and SaaS industries, including the cybersecurity company, Carbon Black.

Israel Barak

Chief Information Security Officer

Israel Barak, CISO, is a cyber defense and warfare expert, with background developing cyber warfare infrastructure and proprietary technologies, including that of proprietary cryptographic solutions, research and analysis of security vulnerabilities. Israel has spent years training new personnel, providing in-depth expertise related to cyber warfare and security, threat actor’s tactics and procedures. As Cybereason’s CISO, Israel is at the forefront of the company’s security innovation, research and analysis of advanced threats.

Shira Bar Yosef (Weizman)

SVP, Technical Customer Experience

Shira Bar Yosef (Weizman) is a seasoned executive with over 20 years of experience in customer services and global operations. Shira brings diverse disciplines background of Sales Operations, Customer Support, Professional Services and R&D. In her previous roles, Shira served as Vice President at Check Point and was part of the company's management forum. She holds a BA degree in Computer Science, MBA, and is alumni of Harvard Business School executive programs. She is also active in mentoring and promoting women to achieve their career goals.

David DeWalt is a veteran CEO, advisor, and investor who has led companies, from startups to the Fortune 500, on a transformational journey of success. Focused on technology and cybersecurity, he helped create more than $20 billion of shareholder value during his 15 plus years as President and CEO of three major companies. Today, he serves as the CEO and Founder of NightDragon Security, a dedicated Cybersecurity investment and advisor firm.

Robert Bigman retired from the CIA after serving a 30-year distinguished career, where he developed technical measures and procedures to manage the nation’s most sensitive secrets. Bigman worked in every area of information and data security, and as the Agency's CISO, Bigman also managed technical and program officers responsible for the protection of all Agency information and his responsibilities included cryptography, information security policy/processes, standards and requirements, testing, and network defense/response.

Pinhas is a recognised leader in the development of Israel’s military intelligence, cyber and technology capabilities (Ret. Brig. General) and an experienced investor. He was Managing Director of the Israeli Ministry of Defence, Commander of a classified technology unit, and Head of the prestigious 8200 division - Israel’s signal processing intelligence unit - where he initiated many of Israel’s cyber programs. Pinhas was a Partner with Apax Partners and served as a mentor to several successful cyber technology startups.

Edward Davis is the President and CEO of Edward Davis, LLC, a security and strategy firm. Davis is former Police Commissioner of the Boston Police Department, served on the Police Executive Research Forum's Board of Directors, and was a founding member and first President of the Massachusetts Major City Chiefs Association. He has worked as an advisor to the Chicago Police and is a member of the Federal Court Monitor team for the NYC Police Department.

Patrick is a venture partner at Madrona Venture Group. His career has spanned venture capital and science and he has done business in 31 countries. Patrick has held senior positions at AT&T Bell Labs, ARCH Ventures and Intellectual Ventures. He has served on numerous corporate and nonprofit boards. Patrick is an inventor on several patents and the author of many research articles. He has a PhD and MS in Physics from Yale, an MBA from Wharton and a BS in Math and Physics from William and Mary.

Gerhard Eschelbeck is Vice President Security and Privacy Engineering at Google, where he leads the teams that ensure data and systems security, as well as user privacy. He published the “Laws of Vulnerabilities” and is one of the inventors of the Common Vulnerability Scoring System (CVSS), and holds numerous patents in the field of managed network security. Prior to joining Google, Gerhard was CTO and Senior Vice President at Sophos and Qualys, and served in senior product and technology roles at companies including Network Associates and McAfee.

Mike Gordon currently serves as the Deputy CISO and Director of Intelligence & Operations within Lockheed Martin’s Corporate Information Security organization. Mike is responsible for the overall Computer Network Defense (CND) of the Lockheed Martin computing infrastructure. Mike co-founded the Defense Security Information Exchange (DSIE) and has served as the organization’s Vice Chairman since its inception where he oversees strategy and operations.

David Kris is a founder of Culper Partners LLC with more than 25 years of experience in government, the private sector, and academia. Kris was the General Counsel of Intellectual Ventures for six years as well as the Deputy General Counsel and Chief Compliance officer of Time Warner, Inc. He is currently an outside advisor to Cybereason.

Kugan Kulothungan has more than 16 years of international experience in leading cybersecurity & information security engagements for various multinational corporations in financial services and technology industries. Prior to joining Virtusa Corporation, Kugan was with Standard Chartered Bank as their Global Head of Security Risk and Compliance. As CISO for Virtusa, Kugan has led Virtusa’s effort to strengthen their cyber defense and response mechanisms to protect Virtusa and their customers’ data from ever-increasing cyber threats.

Mike Makowka has over 17 years of professional experience with an emphasis on information technology and security of enterprise systems in state government, federal government, and commercial organizations. He is currently the CISO at LEO Cyber Security and is responsible for developing, driving, and maintaining the success of the organization’s security program. He has a Master’s of Science in Information Security and Assurance and is a Certified Information Systems Security Professional (CISSP).

Seth McCallister has spent the previous 20 years working in information technology with a focus on information security. Seth has worked in a wide range of business environments that span technology, financial services, consumer packaged goods and government. Seth currently works at HUB International where he serves as the Chief Information Security Officer. In his role, he is shaping the current and future information security and compliance strategy for Hub International.

With nearly 20 years of information security expertise, Nick Percoco is adept at developing security programs in this ever-evolving connected threat landscape. He co-founded the “I am The Cavalry” movement, a highly regarded grassroots hacker organization focused on issues where computer security intersect public safety, and also founded SpiderLabs, the ethical hacking test lab. Nick was the creator of THOTCON, an annual Chicago hacking conference. Nick has served as a media spokesperson on CNN, Fox News, CNET and Forbes.

Richard Rushing participates in corporate, community, and government security councils and working groups, setting standards and policies for current and emerging security issues. As CISO for Motorola Mobility, he has developed an international team to tackle targeted attacks and emerging threats. He has organized, developed, and deployed practices, tools, and techniques to protect the enterprise's IP worldwide. A much-in-demand speaker on information security, Rushing has spoken at many of the leading security conferences and seminars around the world.

Peter Sherlock is a consultant and advisor to companies on cybersecurity, technology and management. He has led small and large organizations applying leading-edge technologies (in networking, security, software, data analytics…) to the most challenging problems. He served as MITRE’s COO as well as SVP responsible for MITRE’s defense and intelligence work. Earlier, he led Motorola Broadband’s network infrastructure business. An active supporter of the Boston tech community, he was appointed to the Massachusetts Cybersecurity Strategy Council and Digital Health Council.

Herman Young is an Information Security Executive with over 20 years of experience in both offensive and defensive disciplines across a wide variety of industries. He uses this experience in his current role as Group CISO for Investec, where he leads the Cyber Security team and coordinates Information Security across the group. Herman serves as a strategic advisor to a few niche startups and is actively involved in threat intelligence sharing initiatives across Africa, the Middle East and Europe.