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Leadership Team

Dr. Bill Strickland

Bill Strickland

President and Chief Executive Officer

Dr. Strickland was appointed as HumRRO’s 6th President on January 1, 2008, after having served as HumRRO Vice-President and Director of its Workforce Analysis and Training Systems Division since 1997. Before joining HumRRO, Dr. Strickland spent 26 years on active duty in the Air Force. His Air Force career included assignments as chief of Air Force personnel testing programs in the Pentagon, as lead officer for Air Force recruiting in a seven-state area, as chief of market analysis and research for Air Force Recruiting Service, and as director for Air Force human resources research. Dr. Strickland has held numerous leadership positions in the Society for Military Psychology and the American Psychological Association, and has served on several National Research Council committees. He is currently a member-at-large on the Board of Directors of the American Psychological Association.

Tom Kracker

Tom Kracker

Vice President and Director

Mr. Kracker has over 40 years of experience in the accounting field. Since joining HumRRO in 1985 as a Senior Accountant, he has progressed to the position of Vice President and Chief Financial Officer. In this capacity, Mr. Kracker is responsible and accountable for the conduct of financial affairs of the organization and ensures that accounting functions are carried out in a timely manner. Prior to his career at HumRRO, Mr. Kracker was a partner in a small accounting firm in Ohio that provided complete accounting and managerial consulting services to commercial small business clients, including the preparation of financial statements and tax returns as well as conducting certified audits.

Dr. Suzanne Tsacoumis

Suzanne Tsacoumis

Vice President, Business Development

Dr. Suzanne Tsacoumis is HumRRO’s Vice President of Business Development. On the technical side, Dr. Tsacoumis built her professional career conducting and managing projects associated with the research, development, and implementation of personnel assessment and human capital systems, often in litigious environments. Currently, she is spearheading innovative work in the development of online simulations, such as virtual role plays and interactive in-baskets, for use in both promotion and self-assessment processes. She often consults on a range of policy and implementation issues. In addition to her technical work, Dr. Tsacoumis is a corporate officer and HumRRO’s vice president of business development. In this role, she is responsible for providing leadership and direction to the business development and marketing team. Dr. Tsacoumis has been an active volunteer for the Society of Industrial-Organizational Psychology (SIOP) and she is a fellow of SIOP and the American Psychological Association (APA).

Dr. Deirdre Knapp

Deirdre Knapp

Vice President

Dr. Deirdre J. Knapp is HumRRO’s Vice President of HumRRO’s Assessment and Evaluation in Education and the Workplace Division. Dr. Knapp’s primary area of technical expertise is the design and development of performance assessments. Her work spans many different contexts (e.g., certification and licensure testing, criterion measurement for validation research, performance assessment for promotion systems), many different types of organizations (e.g., the military, Federal government agencies, professional associations), and a variety of assessment methods (e.g., multiple-choice tests, live work sample simulations, computerized adaptive testing). She also has authored or coauthored several book chapters on performance measurement and professional ethics, and she co-edited Exploring the Limits in Personnel Selection and Classification with Dr. John Campbell. Dr. Knapp is a fellow of the American Psychological Association (APA), Society for Industrial and Organizational Psychology (SIOP), and the Society for Military Psychology. She has held a variety of elected offices and other leadership roles in these and other professional organizations.

Cheryl Paullin

Cheryl Paullin

Vice President

Dr. Cheryl Paullin is HumRRO’s Vice President of Talent Management and Analytics. She is a corporate officer. Throughout her career, Cheryl’s technical work has focused on development, validation, and implementation of many different custom assessments for a variety of talent management purposes, from pre-employment screening to promotion to employee and leader development, often in high-stakes situations. She has worked with a wide variety of public- and private-sector clients, including several Fortune 500 clients and clients at all levels of government. She has published a book chapter and best practice guidelines for HR practitioners on the aging workforce, and has presented on development and validation of high-stakes assessments at numerous conferences. Cheryl has served in volunteer leadership roles to support the profession of I-O Psychology at the local and national levels. She is a fellow of the American Psychological Association and of the Society for Industrial and Organizational Psychology.

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