Brief biographical snapshots of the current Board of Directors and Management

Click here for a description of board members responsibilities

Rory McCorkle, Ph.D , Director and Chair/President


     Rory is the Vice President of Certification Services for PSI. He helps certification clients meet their goals through the suite of services offered by PSI, while leading a team of business development, account management, and consulting professionals. During his career, Rory has worked with over 125 associations and IT credentialing organizations, including well-known licensure programs and globally renowned certifications. Previously, Rory served as the President of International Credentialing Associates (ICA), providing test development, market research, and program management consulting for credentialing organizations. He also worked as a Career Resources Product Manager at IEEE and a Product Manager of Credentials at the Project Management Institute (PMI), growing their flagship Project Management Professional (PMP)® credential through critical business changes and marketing. He also worked at Prometric, providing exam development and program design consulting.

    Rory serves extensively throughout the certification community. His current roles include serving as the Chair of Program for ATP’s Innovations Conference in 2017, and serving as the Chair of the External Stakeholders Committee for ICE. He is a member of ANSI’s Personnel Certification Accreditation Committee (PCAC) committee, which oversees ANSI accreditation under ISO 17024. He also serves on several Boards of Directors around the testing industry, including as Chair for the Performance Testing Council, Security Director for the IT Certification Council, and Director at Large for the Credentialing Network Group (CNG). He has previously chaired the ATP Security Committee, ATP Innovations Marketing Committee, ICE Education Committee, as well as serving as Treasurer for CNG.

     Rory received a Ph.D. in Organizational Leadership from The Chicago School of Professional Psychology. He also holds an MBA from Drexel University and B.A. in Psychology from Millersville University.

     He is certified as a Certified Association Executive (CAE), Senior Professional in Human Resources (SPHR), Project Management Professional (PMP), and New Product Development Professional (NPDP).



Ellen Julian , Director and Co-Chair/President Elect



     Dr. Ellen Julian became fascinated by tests in the second grade and has been trying to figure them out ever since. Trained as a psychometrician, she helps testing programs grow and make transitions from paper to computer, and from multiple-choice to performance tests.

     Ellen leads the PTC’s Psychometrics Committee and enjoys helping PTC members understand the psychometric implications of their test design and development choices.




Wallace Judd , Director and Treasurer

Wallace Judd


     Dr. Judd received his Ph.D. from Stanford where his dissertation advisor was Lee Cronbach.  His thesis was Incorporating Self-Appraisal into Computerized Adaptive Testing.  Wallace is the holder of two U.S. patents, one on the original form of the liquid crystal projector and the other on a form of adaptive testing.  He is co-author of 8 elementary math textbooks, an SRA Kit on Problem-Solving, three books on calculator games, and co-authored three measurement kits from Creative Playthings. He is a psychometrician, ANSI assessor, and president of Authentic Testing Corporation. 





Catharine Cooper,  Director and Secretary

Catharine Cooper

     Catharine Cooper has served several roles on the Board of Directors for the PTC, most recently as PTC Chair.

     Catharine has served in several capacities during her career in the certification, training and testing industries.  She has been at Pearson VUE since 2001 and held positions in Account Management, Strategic Alliances, IT Client Marketing Management, Test Center Operations and Sales Management. 

    Currently, Catharine is serving as a Manager for Pearson VUE’s Provusion  Program, a program aimed to drive certification in the IT Industry and support initiatives to close the IT Skills gap.




Kpayah Tamba, Director

Kpayah Tamba


   Kpayah Tamba is an experienced Global IT Certification Program and Test Development Expert with 12 years of experience overseeing innovative programs and dispersed teams across multiple continents. He is responsible for long-term and short-term program strategies, including planning and leading the design, development, delivery and maintenance of global certification programs, robust and innovative performance-based testing solutions and high-stakes certification exams. As Director of Certification at Okta, Kpayah is also responsible for growing a global community of Okta experts. He holds a Master of Science in Computer Information Systems and a Bachelor of Science in Electronics Engineering Technology.


Maurilio Gorito, Director

Maurilio Gorito

    Maurilio Gorito is a Credentialing Specialist and is serving as Sr. Manager, Certification Programs at Palo Alto Networks. Maurilio has also served on the Board of Directors of the PTC.

Maurilio has expertise in creating and structuring certification programs from the ground up and is passionate with testing and assessment, especially performance-based testing and Psychometrics. Maurilio holds bachelors degrees in Education, Pedagogy and Mathematics from Centro Universitario Geraldo Di Biasi, Brazil.

     Maurilio has 30 years experience in the IT field and more than 25 years combined experience in Education, Testing and Assessment. He has served as Director of Global Certification Programs at Pure Storage, lead and structured certification programs as Certification Manager for Riverbed Technology and managed the CCIE Routing and Switching Certification Program for Cisco.


Beverly van de Velde, Director



     Beverly is a sailor, skier, paddle boarder, foodie, world traveler, hiker, and occasional fisherwoman, as well as a Senior Manager for Symantec Global Education Services, specializing for 10 years in high stakes certification testing. Her latest challenges include managing a production team, integrating a new company, implementing an LMS, streamlining operations, and evaluating testing approaches such as lab exams, microcredentials, and digital credentials. She also serves on the PTC Board and enjoys receiving and sharing knowledge.





Julie Wineberg, Executive Director

Julie Wineberg

     Julie is a testing operations management professional successful in establishing and leading support functions. With 25+ years in the computer based testing industry, Julie’s management responsibilities have included, call center operations, program management, software development, technical help desk, test center quality, test center security, and test center operations. Using her experience and knowledge from establishing and managing the security function within Pearson VUE, Julie determined and patented the physical security features of the Pearson Professional Centers. Before retiring from Pearson VUE Julie was responsible for global operations of their customer service (call centers) and global operations of their Pearson Professional Centers.