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

Todd Shollenbarger

Chief Executive Officer

Bernard Harguindeguy

Executive Director
Baber-Amin

Baber Amin

Chief Operatng Officer
John-Callahan

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

John Chester

General Counsel

Rainer Witzgall

Chief Revenue Officer
ionut-dumitran

Ionut Dumitran

Head of Product Development

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.

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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.

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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.

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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.

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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.

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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.

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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.

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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.

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ROSS PENNY

Ross Penny is a customer-focused technologist, with a proven track record delivering complex solutions at scale within large enterprise.

As Chief Product Officer, Ross is responsible for the development of Veridium’s product offerings, as well as defining the product roadmap. In recent years, Ross led Veridum’s Customer Engineering function and oversaw all of Veridium’s flagship deployments. Prior to joining Veridium, Ross held various customer-facing presales, consulting and engineering roles at Citrix and Telefonica, influencing product roadmap and driving product adoption.

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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.