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About APA

Senior Staff

The Executive Leadership Team sets strategic direction and policy for the APA Central Office.

Arthur C. Evans Jr., PhD
Chief Executive Officer and Executive Vice President

Jaime “Jim” Diaz-Granados, PhD
Deputy Chief Executive Officer and Acting Chief of Psychology 

Alicia C. Aebersold
Chief Communications and Membership Officer

Michelle Aslan
Chief Financial Officer

Lindsay Childress-Beatty, JD, PhD, CAE
Chief of Ethics

Guillermo Corea, MBA
Chief Business Innovation and Growth Officer

Tony Habash, DSc
Chief Business Integration Officer and Chief Information Officer

Todd Jenkins, EdD 
Acting Chief Diversity Officer

Katherine B. McGuire, MSc
Chief Advocacy Officer

Deanne M. Ottaviano, JD
General Counsel

Jasper Simons, MA
Chief Publishing Officer

Last updated: September 2026Date created: 2008

Psychology Leadership Team

  • Nicole Barnes, PhD, Executive Lead Psychologist, Education
  • Lynn Bufka, PhD, Executive Lead Psychologist, Practice
  • Aaron Joyce, PhD, Executive Lead Psychologist, Accreditation
  • Adrienne Stith, PhD, Executive Lead Psychologist, Science
  • Dennis P. Stolle, PhD, Executive Lead Psychologist, Applied