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Leadership Team

Dr. Suzanne Tsacoumis

Suzanne Tsacoumis

President and Chief Executive Officer

Appointed on July 1, 2018, Dr. Suzanne Tsacoumis is HumRRO’s 7th President. Prior to that, she served as one of HumRRO’s Vice Presidents for just over a decade. 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. She has spearheaded innovative work in the development of rich-media simulations for use in both promotion and self-assessment processes. She often consults on a range of policy and implementation issues. 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).

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. 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.

David Dorsey

David Dorsey

Vice President, Business Development

Dr. David Dorsey currently serves as a Vice President and the Director of the Business Development Division at HumRRO. He was previously a senior executive in the U.S. government, serving in the area of defense and intelligence. Prior to working in government, Dr. Dorsey was a Vice President at Personnel Decisions Research Institutes (PDRI). Dr. Dorsey has conducted innovative research and development in the areas of understanding adaptive performance, innovating performance management, using modeling and simulation technologies for learning, understanding career paths, and building corporate level data science platforms and communities. Dr. Dorsey has produced over 70 book chapters, articles, and presentations. He is the recipient of two major research awards and an award for being a top leader in government. In 2017, Dr. Dorsey was elected a Fellow by the Society for Industrial and Organizational Psychology (Division 14 of the American Psychological Association). He also serves as an executive coach, having completed the Georgetown leadership coaching program.

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