David Jevans, Chief Executive Officer
Mr. Jevans is the founder and CEO of CipherTrace. He has 20 years of experience in the security and payments markets. Mr. Jevans is the inventor of 17 US patents in cyber security and has founded and sold three cyber security startups. In 2015 Mr. Jevans sold mobile security pioneer Marble security to Proofpoint (NASDAQ: PFPT). Before Marble, Jevans founded IronKey, acquired by iMation NASDAQ: IMN. Previously he founded Receipt.com (acquired by Valicert NASDAQ: VLCT). He has held senior management positions at security companies Tumbleweed Communications (NASDAQ: TMWD) and Teros (acquired by Citrix, NASDAQ: CTXS).
Mr. Jevans also serves as the chairman of the Anti-Phishing Working Group (www.APWG.org), a consortium of more than 1,500 government agencies, financial services companies, ISPs, law enforcement agencies and technology vendors dedicated to fighting electronic crime.
Mr. Jevans is a frequent speaker on blockchain, cryptocurrencies, and electronic crime. Some of his recent speaking engagements and media coverage include:
- Cryptocurrencies and Distributed Ledgers Will Transform the Digital Economy Security in the Boardroom Conference, Chertoff Group Security Series
- Blockchain and Bitcoin Forensics, 2017 FBI Virtual Currency Conference
- Blockchain, Bitcoin, What it’s Good For and How are the Bad Guys Using it, 2017 Pacific Union Club in San Francisco
- Phishing and Ransomware, 2017 M3AAWG Conference
- Blockchain and FinTech Security Bracing for Blockchain, CSO Digital, July 2016
- Banks, Blockchain and Bitcoin, eCrime Conference 2016
Mr. Jevans holds a Master of Science Degree and a Bachelor of Science Degree, Computer Science from University of Calgary, Canada.
Shannon Holland, Chief Technical Officer
Mr. Holland, founder and CTO of, leads research and development of CipherTrace’s advanced cryptocurrency forensics tools. He has 2O years of experience in developing secure and scalable computer technology. Mr. Holland is a distinguished software engineer with a broad range of experiences from low-level software and hardware design to large-scale application servers. Additionally, Mr. Holland was an early bitcoin miner.
Prior to CipherTrace Senior, Mr. Holland was the Lead Threat Intelligence Engineer at Marble Security where he led the R&D of mobile app threat intelligence and analyzed over 2 million IOS and Android apps across various marketplaces. He also led the research and development of the IronKey security devices including cryptography, key management, firmware and hardware design. Shannon is the co-inventor of numerous security and cryptography patents and produced the first certified tamper-proof, FIPS 140-2 Level 3, mobile device.
Early in his career Mr. Holland work on the OS team at Apple Computer where he significantly optimized many portions of QuickDraw and built the Macintosh Color Picker. During Shannon’s consulting career he has enjoyed success improving Netscape Communications browser memory management and developing security hardware security implementations for the Health Hero Buddy and Danger Hiptop.
Mr. Holland holds a Bachelor of Science, Computer Science from the University of Melbourne, Australia.
Stephen Ryan, Chief Operating Officer
Mr. Ryan is a founder and COO of CipherTrace. He has 25 years of experience in the security and payments markets. Mr. Ryan is the inventor of 3-D Secure, the largest consumer payment authentication solution in the world, with over 150 million consumer users.
Stephen Ryan is a Fintech/Security executive and serial entrepreneur and has experience with a variety of Internet-based security initiatives as well as experience with productizing government-funded initiatives. Additionally, Ryan has been an early stage advisor to some very successful silicon valley companies including PayPal and Splunk.
In 2015 he sold mobile security pioneer Marble security to Proofpoint (NASDAQ: PFPT). Prior to Marble, Ryan was an Executive Vice President at Online Resources and was responsible for Digital Banking and Payment Operations, which was sold to ACI Worldwide. Before Online Resources, Ryan was a co-founder of IronKey, which productized DHS S&T research and ultimately sold over 2 million IronKey devices, (acquired by iMation NASDAQ: IMN).
Previously Ryan was Senior Vice President at Visa USA. Before Visa, Ryan was Senior Vice President at First Data where he was responsible for Product Management and Marketing. Ryan began his career in the Fintech industry at Bank of America, where he developed and managed the bank’s credit card processing systems.
Ryan holds a Bachelor of Science degree in Management Information Systems from Old Dominion University in Norfolk, Virginia.