Skybox Team

Meet the Skybox Security leadership

Skybox Team

Executive Leadership

Gidi Cohen
Chief Executive Officer and Founder

Gidi Cohen co-founded Skybox in 2002 and has guided the company’s vision and development as the leader in cybersecurity analytics. A respected innovator in the security analytics space, he is a popular speaker at industry conferences worldwide, demonstrating how sophisticated analytics, modeling and simulation, as well as unprecedented network visibility, are used to reduce an enterprise’s attack surface. For more than 10 years he has been committed to empowering security leaders to quickly and accurately prioritize and address vulnerabilities and threats with cutting-edge Skybox solutions. Cohen holds Master of Science in Computer Sciences and Mathematics from Tel Aviv University.

Gidi Cohen

Lior Barak
Chief Financial Officer

Lior Barak is a financial executive with more than 13 years of experience in global financial management, mergers and acquisitions, strategic planning and business operations. At Skybox Security, Barak is responsible for finance, legal and HR administration. Prior to Skybox, he served as VP of Finance for PureWave Networks and for Alvarion, Inc. Barak holds a BA in Economics from The Hebrew University and an MBA in Finance from the New York Institute of Technology.

Lior Barak

Stewart Fox
Executive Vice President, Worldwide Sales

Stewart Fox, Executive Vice President of Worldwide Sales, brings to Skybox more than 20 years of technology sales experience in building and motivating sales teams, driving revenue and building strong relationships with both partners and customers. He has had repeated success in the worldwide development and expansion of both enterprise and government sales through direct and indirect channels. Prior to Skybox, Fox led the sales team to two years of explosive growth at IronKey, a leader in authentication, encryption and identity management.  He has held executive sales leadership roles at both private and public companies including AirMagnet, Network Associates, Network General and SCO.

Stewart Fox

Michelle Johnson Cobb
Vice President, Worldwide Marketing

Michelle Johnson Cobb is a technology marketing leader with a passion for driving success for emerging products. Prior to working at Skybox Security, Cobb held executive marketing roles in computer security, networking and enterprise software companies, including Asempra Technologies, McAfee, Tumbleweed Communications and several startups. She received her MBA with high distinction from the University of Michigan Ross School of Business and a Bachelor of Science in Computer Science also from the University of Michigan. 

Michelle Johnson Cobb

Moshe Raab
Vice President, Research and Development

Moshe Raab has more than 20 years of experience in software development, and he is a key component of the Skybox innovative spirit. Raab joined Skybox in 2003 as Director of Product Management. Prior to joining Skybox Security, he led R&D at Guardium, an IBM company and also managed software projects at Log-on Software. Raab holds both a Master of Business Administration and a Bachelor of Arts in Economics and Computer Science from Bar-Ilan University in Israel.

Moshe Raab

Ravid Circus
Vice President, Products

Ravid Circus has more than 11 years of experience in the IT security and risk assessment industry. As Vice President of Products at Skybox, Circus is in a pivotal role for Skybox with his leadership of the Products group. Cirucs has helped to develop and deploy automated change management processes in major corporations all over the world. Prior to Skybox Security, he worked for Comsec as an information security consultant. Circus received both his MBA and BSc in Computer Science.

Ravid Circus

Moti Dror
Vice President, Customer Care

Moti Dror, Vice President of Customer Care, has more than 15 years’ experience in network security. Before taking on his current role, he served as Skybox’s Director of QA and R&D Operations for nearly 12 years. Prior to joining Skybox in 2003, Dror served as QA Manager at Harmonycom and Sheer Networks. He received his Bachelor of Arts in Computer Science and Economics from Bar-Ilan University.

Moti Dror

Paula Ewanich
Vice President, People

Paula Ewanich has more than 15 years’ experience building highly valued HR teams while fostering environments known for transparent communication and flawless employee integration. She has held senior management positions at companies including Imperva, InvenSense and NetLogic (acquired by Broadcom). Ewanich is a certified coach through The Coaches Training Institute (CTI) and a founding member of The Coaching Fellowship, where she is passionately focused on working with millennial women who are in the launching phase of their careers. She holds a Bachelor of Science in Business Administration from San Jose State University.

Skybox VP of People Paula Ewanich

Senior Leadership

Justin Coker
Vice President, EMEA

Responsible for Europe, Middle East, Africa and Russian markets, Justin Coker has 22 years of software sales and management experience with the last 16 years spent in IT security management. Prior to joining Skybox Security in 2005, he managed Symantec's UK & Ireland retail finance team. Coker holds a Bachelor of Arts degree in Business Studies and is a member of the Chartered Institute of Marketing.

Justin Coker

Avi Corfas
Vice President, Asia-Pacific and Latin America

With a focus on the Asia-Pacific and Latin America markets, Avi Corfas has more than 30 years of software sales and management experience. Prior to joining Skybox Security, Corfas was Executive Vice President (Europe, Middle East, Africa) at @stake, a leading information security consulting company. He is a former chairman of EEMA, the European Association for e-Identity and Security. Corfas holds an EMBA degree from France's Haute École de Commerce.

Avi Corfas

Gary Fischer
Vice President, North America

Responsible for the North American market, Gary Fischer has more than 20 years of sales and management experience in the security software vertical. Prior to joining Skybox Security in 2011, Gary held senior sales and management positions at IBM, Intellitactics, iDefense, Spearhead and CyberGuard. Fischer holds a Bachelor of Arts degree in Business Administration from Trinity College.

Gary Fischer

Uri Levy
Vice President, Cybersecurity

Focusing on Skybox platform application in government, defense and critical infrastructure organizations, Uri Levy is an experienced IT executive with extensive knowledge in cyber security. Over the last ten years, Levy has built and managed leading network and security integrators, consistently achieving sustained growth and brand leadership for the products and services of the companies he led. His previous roles include General Manager of Netcom Systems, Regional Marketing Director for Computer Associates and VP Sales and Marketing at Xpert Integrated Systems. Levy earned his B.SC in Computer Science from the Interdisciplinary Centre (IDC) in Hertzeliya and Executive MBA from Tel Aviv University.

Uri Levy