At the meeting point of mathematics and cybersecurity, 85% of the company’s interdisciplinary group holds Ph.D. and M.Sc. degrees in mathematics with a wealth of experience in operational cybersecurity. This group includes veterans of cybersecurity military experts and experienced executives from top global security vendors.

The dedicated deep learning research group at Deep Instinct™ is headed by Dr. Eli David, one of the leading researchers in the field of computational intelligence. Deep Instinct™ holds proprietary intellectual property deep learning libraries, developed in the company.

Deep Instinct™ is headquartered in San Francisco, CA.


Guy Caspi
Chief Executive Officer

Mr. Caspi is seasoned Chief Executive Officer & Serial Entrepreneur. He has spearheaded companies in senior positions through entire life cycles; from start up, accelerate growth and up to IPO in Nasdaq.

Mr. Caspi is a thought leader with in depth knowledge of Machine Learning & Deep Learning assimilation in Cyber Security & Big Data Analysis, combined with unique Go-To-Market execution experience.

Mr. Caspi has a strong financial background and was announced Tech Pioneer by the World Economic Forum in Davos and member of the WEF Tech Pioneer Forum.

Mr. Caspi holds a Master/MBA from the Hebrew University in Jerusalem and GLP from the Israeli Technion Institute.

Before his business and entrepreneur career Mr. Caspi spent substantial years in the IDF.

Dr. Eli David
Chief Technology Officer

Dr. Eli David is a leading expert in the field of computational intelligence, specializing in deep learning (neural networks) and evolutionary computation. He has published more than thirty papers in leading artificial intelligence journals and conferences, mostly focusing on applications of deep learning and genetic algorithms in various real-world domains. For the past ten years, he has been teaching courses on deep learning and evolutionary computation, in addition to supervising the research of graduate students in these fields. He has also served in numerous capacities successfully designing, implementing, and leading deep learning based projects in real-world environments.

Dr. David is the developer of Falcon, a grandmaster-level chess playing program based on genetic algorithms and deep learning. The program reached the second place in World Computer Speed Chess Championship. He received the Best Paper Award in 2008 Genetic and Evolutionary Computation Conference, the Gold Award in the prestigious “Humies” Awards for Human-Competitive Results in 2014, and the Best Paper Award in 2016 International Conference on Artificial Neural Networks.

Nadav Maman

Mr. Maman brings 15 years of experience in customer-driven businesses and technical leadership. He has a proven track record in managing technical complex cyber projects, including design and execution, pre-sales and post-sales. Mr. Maman held various senior management positions in Check Point Software technologies for over six years. He was responsible for global technical services. Mr. Maman has vast hands-on experience with data security, network design, and implementation of complex heterogeneous environments. He was an intelligence officer in a well-known IDF technological cyber unit for seven years. Mr. Maman was recruited to Israel’s top technology intelligence unit, where he led design and establishment of military data security infrastructures and platforms. As an officer, Mr. Maman received an award for his excellence in leadership and performance.

David Roth
Senior Vice President, NA Sales

David Roth has spent over 20 years in information technology industry specializing in cyber security and cloud technologies. He has held executive leadership position at some of the most recognized industry leaders such as Symantec, Bluecoat, Fireye, Red Hat. David’s leadership experience in Global account management and business development has contributed to his teams driving over $1.3B In revenue with some of the leading Fortune 500 companies. David comes to Deep Instinct from Red Hat where he led the north America emerging product sales team for financial services and Telco.

Stuart Fisher
Senior Vice President, APAC

Mr. Fisher has achieved success through his ability to translate sophisticated business strategy, market knowledge, and competitor insights into tactical business plans, sales strategies, and customer-centric solutions that have delivered substantial gains in revenues, profits, and ROI in competitive technology markets. With 23 years of management and sales leadership experience – 15 of which have been in Asia – Mr. Fisher has defined capability in building rapid growth technology companies, including public companies, pre-IPO and PE backed, delivering transformational technology to market.

Tamar Marelly
Chief Legal Officer

Mrs. Marelly has extensive experience in advising public and private companies on all aspects of Corporate Law, Security Law and regulation of Capital Markets.

Before joining Deep Instinct, Mrs. Marelly was part of the corporate and securities department as well as the infrastructure department at Raved Magriso Benkel & Co. Law Offices in Tel Aviv, where she worked on a wide variety of corporate and security matters, including public and private mergers and acquisitions and commercial transactions, corporate finance, representing a broad array of companies in their day-to-day legal and business activities as well as other general corporate matters. In addition, Mrs. Marelly has extensive experience in complex infrastructure projects in a variety of fields.

Ms. Marelly holds an L.L.B in Law & B.B.A in Business Administration from the Interdisciplinary Center, Israel.

Arik Solomon
Vice President, R&D

Mr. Solomon leads a 25-year career in the R&D and Cyber fields. Prior to Deep Instinct, Mr. Solomon was the CTO at Ernst & Young (EY) Advanced Security Center, where he led the technology research and development efforts, nourished EY’s strong connections with the local Israeli start-up ecosystem and developed new service offerings for emerging markets and sectors.

Prior to that, Mr. Solomon served 10 years in the Israeli Prime Minister’s office as a Cyber group lead and later founded and headed the Cyber R&D department, comprised of many highly-talented hand-picked hackers, researchers and developers. In these positions, Mr. Solomon played a major role in the design, development and implementation of exceptional cyber espionage capabilities, and led numerous very successful offensive cyber campaigns.

Jonathan Kaftzan
Vice President, Marketing

Jonathan is a marketing and business development professional with extensive experience in the global communications and software industry.

Before Joining Deep Instinct, Jonathan previously headed marketing for Amdocs Digital, Intelligence & BSS division. He was responsible for defining, creating and implementing the division’s marketing and business strategy, thought leadership and roadmap. His role includes working closely with customers, helping them to devise strategies and business models for their organizations. Before joining Amdocs, Jonathan worked in consultancy, specializing in business and marketing strategy.

Jonathan holds an MBA from Ben-Gurion University of the Negev and a B.Sc. in industrial engineering from Tel Aviv University.

Roni Berezin
Chief Human Resources Officer

Ms. Roni Berezin is a seasoned Human Resources leader with 15 years’ experience in large (over 1B$) and medium size companies in the software and communication industries (RR Media, Amdocs, Verint Systems), as well as an organizational consultant.

Ms. Berezin has a proven track record in establishing scalable, global HR infrastructure that leveraged people’s talent and engagement to drive business results in growth companies, as well as extensive leadership development and consulting experience. She also holds domain expertise in leading and executing strategic, complex cross-organizational transformations in enterprises such as cultural agile implementation to improve TTM. Ms. Berezin is the recipient of the “Israeli Society Of Human Resource” 2014 excellence award, for establishing technological leadership path that had massive contribution in accelerating Verint’s organic growth, innovation and IP.

Ms. Berezin has a B.A. in Social Science from Bar-Ilan University and a M.A. in Labor Studies from Tel Aviv University. She graduated both degrees with distinction.

Naama Geva

Naama brings to Deepinstinct a vast experience in establishing and developing effective Finance and Accounting operations in a variety of settings in both technology and biotechnology companies.

Prior to Joining Deepinstinct, Naama held various leading accounting positions for several high-tech and biotech companies where she was involved in several rounds of fund raising.
At the leading accounting firms of PwC Israel, Naama was instrumental in both the audit and tax departments providing guidance and expertise in the ongoing review and audit of quarterly and annual financial reports and frequent consultation on tax matters.

Naama holds a B.A. in Finance Accounting from Tel Aviv university and a B.Mus in Piano performance and is a Certified Public Accountant.


Lane Bess
Executive Chairman

Having led key roles as CEO and President of Palo Alto Networks, Chief Operating Officer at Zscaler and Executive VP at Trend Micro, Lane Bess brings a wealth of knowledge on how to successfully scale in disruptive and competitive sectors of the constantly changing security technology landscape.

Guy Caspi
Vice Chairman

Mr. Caspi is a leading mathematician and a data science global expert. Mr. Caspi has 20 years of extensive experience in applying mathematics and AI in the Israel Defense Forces (IDF), financial institutions and intelligence organizations around the world.

Mr. Caspi led some of the largest government cyber and big data projects in Israel and other countries. In addition, Mr. Caspi was the President and General Manager of a leading division at Comverse/Verint Group.

Mr. Caspi brings substantial management background in leading innovative technological challenges from R&D through commercialization. Mr. Caspi holds B.Sc., M.Sc., and MBA degrees in Science and Business from leading universities in Israel and the U.S

David Blumberg

David J. Blumberg is the Founder and Managing Partner of Blumberg Capital, an early-stage venture capital fund based in San Francisco. David is an authority on early stage investing with more than 25 years of experience. Blumberg Capital funds innovation on a global basis with a focus on Financial Services, Cyber Security, Mobility, Digital and Social Media, Enterprise Software and SaaS. David serves on the boards of CaseStack, Credorax, Deep Instinct, DoubleVerify, FeeX, Fortscale, Kreditech, Trulioo and Wunder. He also serves on the Board of The Lincoln Club of Northern California and is a member of the Pacific Council on International Policy. Prior to Blumberg Capital, David managed international investments with the Bronfman Family Office, Adler & Co, APAX Partners and at T. Rowe Price. He also launched business development for Check Point Software Technologies as one of its top four executives.

David earned his AB in Government, cum laude, from Harvard College and his MBA from the Stanford Graduate School of Business and INSEAD. David speaks French and is proficient in Hebrew and Spanish.

Yaron Eitan

Mr. Eitan is a partner at Columbus Nova Technology Partners (CNTP), a multi stage venture fund with offices in the Silicon Valley and New York. Yaron has twenty years of experience in building number of high tech companies. He is also partner in SCP Partners and the former founder, president, and CEO of Selway Partners, LLC, a technology incubator that was founded in 1998.

Mr. Eitan is Chairman and director of number of companies including, Software Technologies, like XLMedia and Credorax. Prior to founding Selway Partners, from 1989 until 1998 Mr. Eitan was founder, Chairman and CEO of Geotek Communications Inc., Chairman of the Board of Bogen Communications, Inc., and co-founder of Reshef Technologies Ltd., which he co-founded in 1984.

Mr. Eitan holds an MBA from The Wharton School of Business of the University of Pennsylvania and a degree in economics from Haifa University.

Mohsen Moazami

Mohsen Moazami is the MD at Columbus Nova Technology Partners (CNTP), a novel global tech investment firm combining the best attributes of VC & PE business models. Moazami’s representative investments are vArmour, Frame, Bracket Computing, Aerospike, Bina acq. by Roche, Liveloop acq by MSFT & Opsmatic acq by New Relic.

He was an early investor in Think Big Analytics acq by Teradata, Webs, acq by Vistaprint, Powerset, acq by MSFT, ParAllyle, acq by Affymetrix, SGN, acq by Mindjolt and NextBio acq by Ilumina. Previously, Moazami was a member of the Cisco exec. staff. Most recently he was on the Sr. leadership teams of the Emerging Markets & Globalization Centre in Bangalore, India responsible for strategy, operations and financial results across EM; a theater generating in excess of $5 Bil in revenue in FY2011. Moazami holds a Masters in Engineering from Stanford University.



Is cybersecurity Instinctive to you?

We are a promising, well-funded company developing cutting-edge technology for intelligence & cyber defense.

If technology is in your blood, you are striving for excellence, eager to solve complex problems and believe you (or one of your friends) are qualified for one of the roles below, please contact us at


Field Marketing Manager (US)

Senior Account Executive – Central (US)

Senior Account Executive- Southeast (US)

Solution Engineer- Southeast (US)

QA Automation Engineer (TLV)


Media Enquiries

Are you a media professional? Like to learn more about Deep InstinctTM?
Contact us at