Our Team
People experts when people matter most
Philosophy
We believe that work is fundamentally a human activity. In addition to providing earnings and security, work can serve as a source of identity, a mechanism for pursuing values, and a path to fulfillment and purpose. We further believe that psychology—as a scientific discipline of human behavior, thought, emotion, and motivation—is essential to understanding and optimizing both employee and organizational performance. This includes screening and selection, job fit, peak performance techniques, leadership development, and creating an organizational environment that fosters employee commitment, engagement, and growth while simultaneously advancing organizational goals.
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Established in 2013, Thinkblot’s founders aimed to create a company that could offer a range of “boutique” behavioral science services. Our approach was to develop a platform that would attract leading experts in public safety and national security psychology by providing opportunities to apply their expertise to meaningful challenges and service to their own communities, while simultaneously building a diverse professional network able to meet unique customer requirements. Since our founding we have steadily assembled a highly-selective group of professionals with specific and complimentary expertise and experience. Our clinical staff bring a deep multi-disciplinary network that includes not only psychologists, but also operators, researchers, and thought leaders from elite law enforcement organizations, the special operations community, academia, and industry.
In 2021 Thinkblot continued the legacy of Special Psychological Services, where Dr. Castelda, our Clinical Director, had served for over a decade under the mentorship of Dr. Neil Hibler—a pioneer in public safety psychology. With offices in Reston, VA we continue to serve over 30 local and federal public safety departments in the Washington Metro area. We are proud and honored to support the public safety departments who serve and protect the communities in which we live.
Our Team
Serena Castelda, MS.Ed.
CEO, Founder
Bryan Castelda, Ph.D.
Clinical Director
Rayna Petikas, Ph.D.
Clinical Psychologist
& Clinical Reviewer
C.J. Hoyle, LPC
Licensed Professional Counselor
Lloyd Davis, Ph.D.
Clinical Psychologist
Meredith Krause, Ph.D.
Clinical Psychologist
Sonja Johnson-Brooks, Ph.D.
Clinical Psychologist
Stephanie Gaines, Psy.D.
Human Performance Program Manager
Alvin Malesky, Ph.D.
Clinical Psychologist
Amoya Robinson, LCSW
Licensed Clinical Social Worker
Brian Comerford
Security Advisor
Jill Breitbach, Psy.D., ABPP-CP
Clinical Psychologist
Our ADMINISTRATIVE & EditORIAL STAFF
Gianny Cruz
Office Manager
Laura Arrowood
Editor, Virtual Proctor
Andrea Butler
Editor
Sherri Wallen
Editor
Shannon Healy
Editor
Linda Ruane
Editor
Consulting PSychologists
Neil Hibler, Ph.D., ABPP
Senior Consultant
William O'Connell, Psy.D.
Senior Consultant
Joel McClough, Ph.D.
Clinical Psychologist
Claudia Cespedes, Psy.D.
Clinical Psychologist
Kristen Moody, Psy.D.
Clinical Psychologist
Adam Tomlinson, Ph.D.
Clinical Psychologist
Phil Atkinson, Ph.D., ABPP
Clinical Psychologist
Bridgett Milner, Ph.D.
Organizational Psychologist
Jennifer Hurd, Ph.D.
Organizational Psychologist
