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We provide platforms, solutions, and services for testing and certification.

Kryterion helps technology, and fast-growing companies, associations, and education providers develop and deliver exams.

William Dorman, Global Treasurer, Drake International, and CEO,
Kryterion, Inc., speaks about Kryterion’s global mission and vision.

About Kryterion

In 2001, Drake International’s Kryterion division pioneered online global assessment
which revolutionized the testing industry. In 2005, Kryterion introduced online
proctoring, a groundbreaking innovation that set new standards in credentialing. Today,
AI is quickly becoming an integral technology in our products and direction, reflecting
Kryterion’s commitment to continuous innovation.

Kryterion’s self-service SaaS platform, Webassessor, empowers clients to take control
of their credentialing programs. This unique approach emphasizes flexibility,
accessibility, and speed to market. Webassessor gives clients in-house control to
modify, edit, and publish exams without additional publishing fees.

Our top priority is to provide clients with the best mix of security, innovation, service,
and value in our solutions for test development and delivery.

Kryterion’s in-house expertise is an advantage to your certification program’s long term
success. Our highly trained customer success pros deliver exceptional service to clients
while our test delivery teams provide outstanding support to clients’ test candidates.

Our test development and psychomtric services team is also known for exceptional
service, industry leading expertise, and a customer-focused approach. Our clients have
recognized Kryterion for responsiveness, flexibility, customer focus, and high-quality
work product.

Platform, Solutions & Services

Expand your testing horizons with Kryterion. Our software and services allow you to securely develop, administer, and deliver tests in multiple modes across the globe.

Test Delivery

With Kryterion’s multi-modal test delivery solutions, you can deliver your credentialing program to the computer of every candidate wherever they live, learn, or work.

Test Development

Our test development platform gives you total control over your items with no publishing fees. Access, integrate, and secure your item investment with confidence.

Psychometric Services

Our practical and supportive approach to psychometrics means that every program can gain from our expertise in a way that matches your budget & long-term goals.

Office Locations

Kryterion is a global organization headquartered in North America. In addition to our offices in the USA and UK, we have several regional hubs and an international workforce. If you’re in town, get in touch, we love to meet old friends and new faces.

United States

Kryterion, Inc.
7776 South Pointe Parkway West, Suite 200,
Phoenix, Arizona 85044
United States

South Africa​

1 Energy Lane
2nd Floor Apex Building
Century City, Cape Town 7441

United Kingdom

Kryterion, Inc.
429-433 Pinner Road
North Harrow
Middlesex HA1 4HN
United Kingdom


18th Flr. Trident Tower, 312
Sen Gil Puyat Ave.
Makati City, Philippines 1209


We’re providing professional services to the titans of the credentialing industry. Our certifications prove that we take this responsibility seriously.


Developing and driving the adoption of data security standards for safe payments with the PCI Security Standards Council (PCI SSC).

soc 2 Type II

Earning your confidence, delivering peace of mind: we work hard to keep your data secure by adhering to SOC 2 Type II standards.

 If our staff are happy, then you should be too. We work hard to create an outstanding employee experience.


We are proud to be an active member of the assessment community.


We’re honored to be a technology industry member and actively support the work of the IT Certification Council.

atp global

Kryterion values preserving the general welfare of testing & assessment programs and is proud to be a member of ATP.

Performance Testing Council

We’re proud to support The Performance Testing Council and their work supporting innovation in assessment and evaluation.


We’re delighted to support the I.C.E. and its development of standards and resources for the credentialing industry.

Values & Mission Statement


Kryterion, a global leader in testing, sets the standard for using innovative technologies and services.

Our Values

  • We Own It
  • We Face Challenges with Optimism
  • We Are One Team
  • We Continuously Improve
  • We Listen and Learn From Each Other
  • We Build Trust
  • We Help Our Customers Succeed

Leadership Team

We work with organizations to build and deliver everything from skills tests and simple online assessments to comprehensive, high-stakes, worldwide certification programs. Kryterion is guided by a team of passionate and dedicated leaders in assessment.

Rob Armstrong - Chief Operating Officer


Chief Operating Officer

Leslie Thomas, PH.D - Chief Psychometric and Strategy Officer


Chief Psychometric and Strategy Officer

Otto Silva, Kryterion Chief Information Officer


Chief Information Officer

Angela Street - Chief Customer Success Officer


Chief Customer Success Officer



Chief Revenue Officer

Chad Fletcher - Product Owner

Chad Fletcher

Director of Product

Gina McFadden - Chief Test Delivery Officer


Chief Test Delivery Officer

Get in touch if you’d like to connect, or follow the team on LinkedIn to learn how Kryterion is leading the world with technology in testing.

Take Control of Your Certification Program!

Want more information on how to start or expand a credentialing program? Fill out the form below and we’ll get back to you right away!




William Dorman is the CEO and Chairman of the Board for Kryterion Inc.

He was instrumental in founding Kryterion in 2001 and has been Chairman since the company’s founding. William was appointed CEO in 2010.

William has an extensive background in computerized examination delivery. He was previously CEO of Prometric Inc., a computerized testing company from 1990 to 1996.  Prometric was sold in 1996 to Sylvan Learning Systems Inc. in a multi-hundred million dollar exchange, as reported by the New York Times.

William qualified as a Chartered Accountant and has an MBA from City University London. He obtained his Law Degree from London University.

Rob Armstrong - Chief Operating Officer


Chief Operating Officer

After 30+ years of marketing, managerial and executive experience in software, internet and SaaS industries, Rob Armstrong is currently serving as COO for Kryterion. Previously he served as the CEO and President of Apex EDI, a leading medical and dental claims clearinghouse that helps doctors get reimbursed by insurance companies.

Prior to Apex, Armstrong spent 15 years in the genealogy software, data and subscription business working for several companies, including The Learning Company, OneGreatFamily and Broderbund. He was Founder and CEO of, which was sold to A&E Television Networks.

He started his career with a Bachelor of Science in Computer Science from Brigham Young University in Provo, Utah and a dual major MBA in Marketing and Finance from Columbia University in the City of New York. Rob is married, has two children and loves to play golf, ride his bicycle and play computer games.

Leslie Thomas, PH.D - Chief Psychometric and Strategy Officer


Chief Psychometric and
Strategy Officer

Leslie Thomas has more than 20 years’ experience in the testing industry. In her role at Kryterion, Leslie and her team work closely with clients to help them make the best decisions for their programs based on her extensive expertise, experience, and practical approach to problem-solving. Leslie finds her inspiration for the industry by helping organizations translate their business goals into a program that provides real value to their stakeholders such as increased public safety, enhanced product adoption, higher customer satisfaction, or lower support costs.

When she is not working, Leslie enjoys taking her spoiled dogs on hikes or you will find her competing in Hunter/Jumper shows with her horse, never a dull moment. Growing up in Erie, Pennsylvania she was subject to cold temperatures and lake effect snow and can now take full advantage of the beautiful year-round weather in Scottsdale, Arizona.

Otto Silva Chief Information Officer


Chief Information Officer

Otto Silva is the Chief Information Officer at Kryterion with 26 years of experience in the software industry. Otto brings to Kryterion extensive experience managing globally distributed Technical Operations teams supporting 24×7 Production systems. Otto has a proven record in executive leadership roles, creating discipline processes to achieve business stability, hiring, mentoring, and managing hyper performing technical teams. Otto is well-versed in accessing technical operations, developing winning strategies and properly allocating resources to maximize investments in both technical staff and cloud infrastructures.

When Otto is not busy at work, he spends his time hiking, cycling, and restoring vintage Japanese motorcycles.

Angela Street - Chief Customer Success Officer

Angela Street

Chief Customer Success Officer

Angela Street has led the delivery of large-scale and high-stakes certification assessment services for nearly 30 years, spending much of her career at Pearson where she also implemented and directed a 120+ member project management organization. Angela’s global team of Customer Success professionals provide maximum client value through smooth client implementations, customer-centric training, and timely, professional support. She leads the team with a focus on helping clients succeed and grow their programs and ensuring that the voice of each client is heard throughout the organization.

Outside of work, Angela enjoys hiking in the Sonoran Desert, weight training and traveling as often as possible.



Chief Revenue Officer

Buzz Walker leads sales, marketing, and partnering for Kryterion and brings considerable digital marketing, communications, enterprise sales, business development, and strategy experience from HP, P&G, as well as several startups, and a consulting agency. He’s launched products, brands, and businesses both nationally and internationally building them from the ground up, restructuring complex product offerings, and expanding into new markets. This included leading a $500MM business unit for HP, completing a $350MM technology acquisition, merging two global trade associations, and taking a seat on the Board. His educational foundation includes a BS in Chemical Engineering from Notre Dame and a Master of Business from Wharton.

When he’s not entertaining his grandchildren, Buzz loves travelling with his wife Susanne and creating new recipes and fermenting in the kitchen as well as hiking, tennis, and ruining a good walk with his golf clubs.

Chad Fletcher - Product Owner

Chad Fletcher

Director of Product

Chad Fletcher is the Director of Product and Product Owner at Kryterion and has over a decade of experience in the testing industry. Chad is passionate about customer success and loves the way that technology can enhance the customer experience. Chad’s prior roles in test delivery, testing center management, and client services help him deliver enhancements that answer Kryterion’s evolving customer needs by delivering stellar, customer-centric product experiences.

When he is not working, Chad enjoys playing golf or spending time with his Goldendoodle, Dexter.

Gina McFadden - Chief Test Delivery Officer


Chief Test Delivery Officer

Gina McFadden manages essential customer-support services for Kryterion, which involves ensuring satisfying experiences for both Kryterion clients and their test candidates. Gina brings a wealth of experience to Kryterion in business operations, having previously led teams and departments in the banking, mortgage, and insurance industries. In her short time at Kryterion, Gina has overseen an unprecedented 500-percent increase in staff for the Customer Service Department while ensuring the delivery of over 500,000 exams per year.

Gina is a California native with educational ties to the University of Arizona and the University of Phoenix. In her leisure time, Gina enjoys hiking, travel, and volunteering with various organizations.


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