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David Jevans

Chief Executive Officer

Dave Jevans is a founder and CEO of CipherTrace. He is a serial entrepreneur in crypto, security, and Fintech. Mr. Jevans holds 24 U.S. patents, mainly focusing on cybersecurity and cryptography. As an early cypherpunk, he became involved in cryptocurrencies in 1999, closely tracking DigiCash, e-gold, and other early innovators. In 2011, Jevans “went down the rabbit hole,” embracing Bitcoin and tracing criminal activity on the blockchain.

After an early technical leadership career at Apple, Jevans founded his first encryption company,, which went IPO in 2000 after merging with fellow crypto company Valicert.’s secure messaging products continue to underpin global financial networks for banks as well as SWIFT—the de factoinfrastructure for moving value across borders, spanning more than 200 countries.

Jevans went on to found IronKey, a hardware encryption company that continues to thrive in financial, consumer and government markets as a division of Kingston. He then brought mobile security company Marble to market, which is now part of security leader Proofpoint.

In 2015, he founded CipherTrace with the vision of building a global company that makes cryptocurrencies safe, secure and compliant. The company is already well on the path to becoming the leader in blockchain intelligence and security. Jevans believes that with its top-name customers, strong growth—plus the team’s unparalleled depth of experience in eCrime, cybersecurity and payments prior to becoming early blockchain adopters—CipherTrace can achieve another IPO success.

An industry expert on blockchain security, internet fraud and cybersecurity, he has advised Congress on these topics and is frequently quoted by the media, including American Banker, Bloomberg TV, CIO Magazine, Dark Reading, Information Week, MSNBC, PC Magazine, and the Washington Post. Jevans speaks frequently at events around the world on the blockchain, cryptocurrencies, and electronic crime.

He is also the founder and Chairman of, a security non-profit with over 1,500 corporate and government members that produces the Electronic Crime Symposium, bringing cutting-edge research from emerging PhD students to a global stage. APWG also operates the eCrime Exchange, a real-time data exchange for sharing phishing, malicious IPs, and criminal cryptocurrency addresses.

Jevans holds a Master of Science degree in Computer Science from the University of Calgary, Canada.

Shannon Holland

Chief Technical Officer

Shannon Holland is a founder and CTO of CipherTrace where he leads research and development of CipherTrace’s advanced cryptocurrency forensics tools. Mr. Holland has 20 years of experience in developing secure and scalable computer technology. He is a distinguished software engineer with a broad range of experience, ranging from low-level software and hardware design to large-scale application servers. Additionally, Mr. Holland was an early bitcoin miner.

Prior to CipherTrace, 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 their 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 worked on the OS team at Apple Computer where he significantly optimized many portions of QuickDraw and built the Macintosh Color Picker. During his 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

Steve 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

Mr. 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.

As a seasoned entrepreneur, he helped build and bring to market mobile security company Marble, which is now part of security leader 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, the world’s most secure flash drive. The company became a part of iMation NASDAQ: IMN. Previously Mr. Ryan was Senior Vice President at Visa USA. Before Visa, he was Senior Vice President at First Data where he was responsible for Product Management and Marketing. Mr. 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.

Frank Steegmans

Senior Vice President Engineering

As Senior Vice President of Engineering at CipherTrace, Frank Steegmans drives development of new products and services, managing a team of world-class product managers, software engineers, blockchain experts and data scientists. His areas of responsibility include research and cutting-edge Big Data analytics.

Mr. Steegmans has more than 20 years of experience in software development and engineering management. Before joining CipherTrace, he was Vice President of Engineering at PayStand where he led development of a highly scalable payment processing platform as well as cryptocurrency and blockchain research. Prior to that, Frank held engineering and technology management and Software Architect roles at SugarCRM, Second Nature Reports, Bank of America, Alcatel-Lucent, and a number of other companies.

Frank holds an MS in Applied Computer Science from Universiteit Hasselt and an MS in Electrical Engineering, Electronics from Katholieke Hogeschool Limburg.

Stewart Fox

Senior Vice President Worldwide Sales

Stewart Fox brings over 30 years of experience in technology and security sales management to CipherTrace. As Senior VP of Wordwide Sales, his responsibilities include managing the field sales organization, global channels, customer success, and sales operations. Stewart has held executive leadership and sales management positions at both startups and public companies in Silicon Valley.

Most recently, Mr. Fox was the Executive Vice President of sales for Skybox Security. During his tenure at Skybox the company sold cybersecurity solutions to over 600 global 5000 organizations, achieved a CAGR of over 35% and raised over $270 Million in growth equity investment. Prior to that, he was the VP of Worldwide Sales for Ironkey, maker of the world’s most secure flash drive, which joined Imation (NASDAQ:IMN); Airmagnet, which merged into Danaher Corp (NYSE:DHR); and Network Chemistry, which became part of Aruba Networks (Nasdaq:ARUN). Stewart was also the Vice President of Global Channels for Network General, which was acquired by MacAfee for $1.3 Billion (NYSE:NET). 

Mr. Fox studied Biology and Psychology at Boston University.

John Jefferies

CMO and Chief Financial Analyst

John Jefferies serves as both CipherTrace’s Chief Marketing Officer and Chief Financial Analyst. He has held leadership positions in marketing for a variety of technology companies over a twenty-year career. As a recognized expert in cybersecurity, the cloud, AI, the blockchain and crypto AML, John frequently speaks at banking, cryptocurrency and blockchain industry events.

Mr. Jefferies joined CipherTrace from Samsung’s Strategy Innovation Center where he drove product marketing and outbound marketing as well as strategy, leading blockchain initiatives focused on the IoT and device and cloud security. Prior to that, he served as the GM of Abaca, a start-up that developed the cloud-sourced intelligence email filter for Yahoo!Mail, AT&T and iCloud, and was subsequently acquired by Yahoo!. Before Abaca, John was Vice President of Marketing at IronKey, producer of the world’s most secure flash drive, which was originally funded by DHS Science and Technology. He has also held senior marketing positions with Hewlett Packard, Teros/Citrix and Dascom/IBM.

Mr. Jefferies obtained his MBA from the Ivy School of Business in London, Ontario and his BA in Business from Michigan State University.

Guhan Iyer

Vice President Development and Operations, Data Protection Officer

Guhan Iyer is Vice President Development and Operations, Data Protection Officer at CipherTrace. His responsibilities include managing world-class Dev/Ops, Security and IT teams. In that capacity, he also developed the company’s compliance posture for SOC2/ISO27001/NIST 800-53.

In addition to his duties at CipherTrace, Guhan has worked as a consultant for 10 years for the Anti-Phishing Working Group (APWG) with responsibilities such as design and deployment of the security, cloud and phish processing infrastructures. Guhan also founded Shark7, a technology consulting firm with more than 40SMB mostly in the early growth stage. Before Shark7, he was a founder of Permicity where he led technical teams that developed an email platform, custom ERP and CRM solutions, iOS mobile apps, and other IT solutions. Prior to that he was a consultant for a number of technology companies.

Guhan holds a Bachelor of Science degree in Applied Mathematics from the University of California, Berkeley.

Albert Szmigielski

Vice President of Research

Albert Szmigielski is a thinker, computing scientist, software engineer, blockchain and cryptocurrency researcher, crypto enthusiast, startup advocate, and Vice President of Research at CipherTrace. Algorithms are his forte. Probability theory is his nemesis. Albert is committed to lifelong learning. He enjoys coding, parallel, multicore programming is his favorite because of the challenges it presents. He has a fondness for graph theory, elegant algorithms, and respect for blockchain technology. Albert enjoys leading research and development teams on a quest to reach their goals. He read the Bitcoin whitepaper in 2010 and decided to focus his career on blockchain technology. He enrolled in the first blockchain Master’s program in the world, and he graduated Cum Laude. Albert has been working in the blockchain sector since 2013.

Albert holds a Bachelor of Science degree in Computing Science from Simon Fraser University, and a Master of Science degree in Digital Currencies and Blockchain from the University of Nicosia.

Paul Reyff

VP of North American Sales

Paul Reyff is Vice President of North American Sales at CipherTrace. He has over twenty years of sales and technology related experience. Paul was also a Lieutenant Commander in the United States Naval Reserve.

Prior to joining CipherTrace, Mr. Reyff was Sr. Director of Product Management at Proofpoint for the company’s Mobile Security solution. In that capacity, he worked closely with customers to understand their security concerns and translate those pain points into a set of functional requirements for the product development teams. Prior to Proofpoint, Mr. Reyff has held Director of Sales and Regional Management positions with enterprise security companies including Marble Security, Caymas and Secure Computing. Paul launched his technology career at Oracle Corp.

Mr. Reyff holds a Bachelor of Science degree in Marine Transportation from the United States Merchant Marine Academy, and a Master’s in Business Administration from Santa Clara University. He was also a USCG licensed Master (Unlimited Tonnage) with Prince William Sound Pilotage.

Catherine Woneis

Vice President of Product Management

Catherine Woneis is Vice President of Product Management at CipherTrace. Her primary focus is on big data analytics for security, intelligence, and process enhancement, driving the specification and delivery of world-leading blockchain analytics and bank crypto risk mitigation applications and services. Catherine has more than 20 years of experience in product management.

Before joining CipherTrace, Catherine was Vice President of Product at Cryptowerk where she drove the development of a hybrid cloud/blockchain solution enabling enterprises to seal and exchange digital assets at scale. Prior to that, Catherine headed up product at Chute, Saffron Tech, Attensity, and Inxight, focusing on applying big data analytics and AI to real-world intelligence, law enforcement, and enterprise applications.

Catherine holds an MBA from the Haas School of Business at the University of California, Berkeley.

Pamela Clegg

Director of Financial Investigations & Education

Pamela Clegg is the Director of Financial Investigations and Education for CipherTrace. Pamela works with governments, law enforcement officials, regulators, law firms and financial institutions around the world to conduct blockchain forensic investigations. Her Education group provides global training in the blockchain, investigation of financial crimes, money laundering and other criminal activity within the cryptocurrency ecosystem. In addition, she is in an internationally recognized expert in the use of cryptocurrency in human trafficking and other financial crimes. Pamela has conducted trainings and spoken on cryptocurrency and financial crimes globally, including presentations to INTERPOL, EUROPOL, and other international and federal organizations.

Prior to joining CipherTrace, Pamela was the Assistant Vice President BSA and Information Security for First State Bank. She also has more than ten years in international investigations, due diligence and operations, working primarily in Latin America for the U.S. Government.

Pamela obtained her Bachelor of Arts degree from the University of Texas at Austin and her MBA from the Universidad Autónoma de Madrid. Pamela is a Certified Anti-Money Laundering Specialist (CAMS).

Dina Mainville

New Business Development Lead

Dina Mainville leads new business development in Canada, Bermuda and the Caribbean for CipherTrace. She works primarily with federal government, law enforcement, financial institutions and regulators. An expert in blockchain technology, Dina also has a keen interest in how blockchain technology can close socioeconomic gaps in developing nations. She regularly speaks at events around the globe on blockchain technology, cryptocurrency, and cybercrime.

Prior to joining CipherTrace, she worked for Info-Tech Research Group in Toronto, Canada where she advised C-level executives on blockchain initiatives. Prior to that, she held advisory roles at various firms, specializing in data management and business intelligence.

Dina holds a bachelor’s degree from the University of Toronto with double major in Political Science and Film Studies. She also completed courses at Princeton University in Bitcoin and Cryptocurrency Technologies, and has also completed coursework in Digital Currencies at the University of Nicosia. Dina is currently enrolled in the Fintech Law and Policy course at Duke University.

Kevin Mitchell

Head of Communications

Kevin Mitchell heads Communications at CipherTrace. He manages all outbound brand messaging, advertising, web and editorial content, including the widely regarded quarterly Cryptocurrency Anti-Money Laundering Report. Kevin has deep experience in technology—including data analytics, security, enterprise software, cloud, mobile, open software, and IoT—as well as consumer electronics and automotive.

Prior to joining CipherTrace, Kevin managed his own consulting firm, which served major technology and consumer product companies in the US and Japan, including Adobe, BMC Software, Bridgestone, Cisco, CITIZEN, Dell, HPE, 8×8, Intel, Lexus, McAfee, Microsoft, Nikon, NTT docomo, Ring Central, Samsung, SGI, Solar City, Sony, Suzuki, Talend, the Government of Japan, the Tokyo Metropolitan Government, Toyota, Plantronics, VMWare, and Webroot. For six years, Kevin was head writer and managing editor for Cadence Design Systems. Prior to that, he served four years as Director of Brand Strategy and Creative, helping to spin out Oracle’s Network Computer Division as Liberate Technologies in an $11 billion IPO. He has also helped to launch a number of successful start-ups. Kevin has worked in-house at major technology companies and agencies in the US and overseas, including six years at TBWA’s affiliate in Tokyo where he was responsible for global advertising for Nikon as well as Pioneer, Subaru, NTT, and NEC.

Kevin holds a Bachelor of Arts degree in English and Literature from the University California, Santa Cruz.

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