We Strive For

Veridium Vision for a Passwordless World

Our Leadership Team

We help businesses excel in their digital authentication management and as a result the way the users of their systems, employees or customers, live the experience through patented, leading passwordless digital identity solutions.

Todd Shollenbarger

Chief Executive Officer

Bernard Harguindeguy

Executive Director

Baber Amin

Chief Operatng Officer

John Callahan, Ph.D.

Chief Technology Officer

Previously a partner at White & Case, with over 20 years of professional experience in both the United States and Southeast Europe.

Bernard previously served as SVP and CTO at Ping Identity with globally recognized leadership in identity intelligence.

Baber has a broad background in enterprise security, identity and access management, identity proofing, authentication, privacy, and API security.

John is responsible for the development of the company’s world class enterprise-ready biometric solutions.

John Chester

General Counsel

Rainer Witzgall

Chief Revenue Officer

Ionut Dumitran

Head of Product Development

Frank Clark

Chief Financial Officer

Possessing a keen eye for detail and advanced proficiency

A driven and experienced sales leader in the security, identity and biometrics market spaces for over 2 decades in Europe & North America

A veteran engineer and entrepreneur, Ionut Dumitran has in-depth experience and knowledge of high availability, scalable systems.

An experienced CFO  / CPA professional skilled in Performance Improvement, Compliance, Budgeting,  & Accounting.

Richard Tyson, PhD

Lead Scientist in Computer Vision and Biometrics
Has a deep background in biology and computer science, specialising in computer vision
and Edge AI
>> Augment. Authenticate. Authorise.

Passwordless MFA Platform

Platform

MFA

Orchestration

Integration

TODD SHOLLENBARGER

Previously a partner at White & Case, with over 20 years of professional experience in both the United States and Southeast Europe,

Todd Shollenbarger is Executive Chairman at Veridium. With a specialization in corporate law, he has led numerous large-scale transactions over the years, including privatizations, private equity, emerging market equities, foreign direct investment, corporate finance and joint venture projects.

Todd is also a Certified Public Accountant, and holds a JD from Pepperdine University School of Law.

Bernard Harguindeguy

Bernard Harguindeguy is Executive Director at Veridium. Bernard possesses extensive expertise in AI-powered cybersecurity for API-driven companies. Bernard was SVP at Ping Identity and CEO/Founder at Elastic Beam prior to joining Veridium.

Bernard holds degrees from the University of California, Irvine and Stanford University.

BABER AMIN

Baber Amin is a senior technology executive experienced in building and scaling businesses at software, networking, public and private companies. He has a broad background in enterprise security, identity and access management, identity proofing, authentication, privacy, and API security.

Prior to joining Veridium, he was responsible for Ping’s solution offering around Ping Identity solutions in Consumer centric Identity and Access Security. Prior to Ping Identity, he was with Oracle as Senior Director of product management; CA Technologies and Novell Identity and Security.

JOHN CALLAHAN, PHD.

Dr. John Callahan is responsible for the development of the company’s world class enterprise-ready biometric solutions, leading a global team of software developers, computer vision scientists and sales engineers.

He has previously served as the Associate Director for Information Dominance at the U.S. Navy’s Office of Naval Research Global, London UK office, via an Intergovernmental Personnel Act assignment from the Johns Hopkins University Applied Physics Laboratory.

John completed his PhD in Computer Science at the University of Maryland, College Park.

JOHN CHESTER

Possessing a keen eye for detail and advanced proficiency in commercial, corporate, insurance, employment, consumer-fraud, and product-liability law, as well as regulatory compliance, John Chester brings two decades worth of expertise to Veridium as General Counsel.

He joins the company following a successful career in private practice at Porzio, Bromberg & Newman, where he counseled and represented a range of clients, from small businesses to international Fortune 500 organizations. John received a BA from the University of Texas at Austin and a JD from Rutgers Law School.

RAINER WITZGALL

Rainer is a driven and experienced sales leader in the security, identity and biometrics market spaces for over 2 decades in Europe & North America.

Before joining Veriidum, Rainer previous served as the Managing Director at Karamba Security.

IONUT DUMITRAN

A veteran engineer and entrepreneur, Ionut Dumitran has in-depth experience and knowledge of high availability, scalable systems. A graduate of Bucharest’s University Politehnica, he co-founded Inside Software, an IT services company which was sold to Cegeka NV in 2012. He also founded the biometric security company Creativeast Software.

He joined Veridium in 2013, establishing and building the company’s Romanian development organization. He has also served as team leader for Technical Design, Solution Implementation.

RICHARD TYSON, PhD

Dr Richard Tyson specialises in Computer Vision and AI within biometrics and leads the development of Veridium’s 4 Finger ID contactless fingerprinting and VFace biometric products. He has a MSc in computer science and attained a PhD in Computational System Biology at Warwick University, UK, in 2011.

His professional career began in biosciences researching cell motility and embryo growth using state-of-the-art microscopy, and publishing image analysis pipelines for qualitative analysis of cellular behaviour.

He joined Veridium as a computer vision scientist in 2015 pioneering contactless fingerprinting on mobile phones and now leads the biometric R&D team in leveraging the emerging power of Edge AI in biometrics.

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JOHN SPENCER

John Spencer is a seasoned IT Executive with 30 years experience in the software industry. John is tasked with driving business revenue and investment growth, as well as leading the company’s global go-to-market strategy for its flagship solution, VeridiumID.

John’s previous role was CPO at Veridium, focusing on the development of Veridium’s product offerings, as well as looking into the future and detailing the product roadmap. In recent years, John led European Sales and Engineering teams, as well as being chief technology officer for Citrix in Northern Europe.

John has been instrumental in working with sales and development teams to deliver commercially successful and award winning products, experiencing strong customer acceptance across multiple industry types.