Our Team
Dr. Donald S. Bosch
Dr. Huong Diep
Caitlyn Ference-Saunders
Dr. Lisa D. Finlay
Dr. Scott Grover
Dr. James D. Guy
Roslyn Hernández
Dr. Tatiana McDougall
Dr. Jacquelyn Millham
Aaron Rosales
Dr. Brent Stenberg
Dr. Linda Wagener
Dr. Donald S. Bosch
Director of Risk Psychology and HEAT Training

Dr. Donald S. Bosch is Senior Advisor and Director of Risk Environment Psychology at the Headington Institute. As a licensed clinical psychologist and psychoanalyst with 35 years of experience, Don understands human behavior and brain function.  Don is often in the field doing debriefs, working with global response teams, and providing psychological support for security trainings.  He is a lifelong mountaineer with a love for adventure, travel, exercise, and family. 

Dr. Huong Diep
Consulting Psychologist

Dr. Huong Diep serves as a bilingual Consulting Psychologist, providing training, counseling and consulting services in English and Spanish. She is a licensed clinical psychologist with over ten years of experience providing direct services, training and consultation in international settings. She served as a Peace Corps volunteer in the rural highlands of Peru which sparked her passion for international disaster psychology. Her specialty includes the intersection of gender, language and culture where she utilizes a trauma informed approach that promotes strength and resiliency. Dr. Diep enjoys hot yoga, travel and spicy foods.

Caitlyn Ference-Saunders
Development Coordinator

Caitlyn Ference-Saunders is the Development Coordinator, supporting all fundraising and stewardship activities at the Headington Institute, including donor management and recognition, programmatic appeals, and annual giving. In addition to her experience supporting non-profit growth, Caitlyn holds a Master of Arts in Theology and Art and is an active theater director. She is passionate about helping communities create stories that confront injustice and envision a new future.

Dr. Lisa D. Finlay
Director of International Programs

Dr. Lisa Finlay is Vice President for Clinical Services, providing training, counseling, and consulting services. She also works on writing and research projects. She is a licensed clinical psychologist with experience in trauma treatment, relationship counseling, and group work. Her interest in resilience and international development began with volunteer service in Peace Corps, Mozambique. She loves photography, dance, and giant trees.

Dr. Scott Grover
Consulting Psychologist

Dr. Scott Grover serves as a Consulting Psychologist, providing training, counseling and consulting services.  As a licensed clinical psychologist, he has helped train mental health professionals at large metropolitan hospitals in the delivery of cutting edge trauma treatments. He is particularly interested in research related to training humanitarian aid workers for high risk environments and the psychological aspects of security training. Scott enjoys backpacking, snow skiing, teaching, and playing soccer with peers and his children.  

 

Dr. James D. Guy
President and Cofounder

Dr. James D. Guy is President and Cofounder, responsible for donor relationships, board development, and long-range planning. As a licensed clinical psychologist, researcher, and educator with 40 years of experience, Jim combines theory and practice to lead the Institute. Jim enjoys outdoor recreation, sports, and time with his four children

 

Roslyn Hernández
Project Associate

Roslyn Hernández is Project Associate, assisting with bookkeeping, communications and administrative projects. Roslyn has lived internationally and is passionate about film and photography. Prior to joining the Institute, Roslyn worked as a youth mentor and educator.

Dr. Tatiana McDougall
Consulting Psychologist

Dr. Tatiana McDougall serves as Consulting Psychologist, providing training, counseling, and consulting services in English and French. She is a licensed clinical psychologist with experience in evidence-based trauma treatments, relationship counseling, and group work. In addition, Tatiana has experience helping teams address issues of diversity and is skilled in mindfulness-based techniques for treating PTSD. Her interest in international development comes from her Haitian family heritage, early life experiences, and her work and travel abroad.  Tatiana enjoys travel, yoga, reading, and crafting. 

Dr. Jacquelyn Millham
Senior Consulting Psychologist

Dr. Jacquelyn Millham is Senior Consulting Psychologist, providing training, counseling and consulting services with a special focus on team dynamics in cross-cultural environments. A licensed clinical psychologist with more than a decade of experience in psychoanalytic psychotherapy, Jackie also has a rich humanitarian background as a former aid worker, including refugee work in Somalia and Thailand as well as numerous training engagements with international aid organizations. Since 1989, Jackie has also been the co-founder and director of an international nonprofit addressing children at risk in Kenya.  She enjoys outdoor recreation, travel, gardening and hiking.

Aaron Rosales
Research Consultant

Aaron Rosales is Research Assistant at the Headington Institute.  As an educator and doctoral student in clinical psychology, Aaron provides analysis for the Institute’s data driven research and services.  Aaron also contributes to special research and writing projects.  With a passion for the intersection of art and science, Aaron enjoys making coffee (from roasting to brewing), photography, and has a budding interest in woodworking.  

Dr. Brent Stenberg
Senior Consulting Psychologist

Dr. Brent Stenberg is Senior Consulting Psychologist, providing training, counseling, and consulting services with a special focus on leadership development. Over the years, Brent has traveled to places like Haiti, South Sudan, Pakistan, and Afghanistan in order to support regional staff welfare initiatives. He is a licensed clinical psychologist with 35 years of experience, working with individuals, groups, and communities.  Brent enjoys international travel, mountaineering, and photography. 

Dr. Linda Wagener
Senior Consulting Psychologist

Dr. Linda Wagener is Senior Consulting Psychologist, providing training, counseling, and consulting services with a special focus on organizational dynamics. With 30 years of experience as a licensed clinical psychologist, Linda is especially adept at leadership assessment and development. Linda has particular experience in preparing and supporting staff for high risk environments and psychological aspects of security training. She enjoys skiing, mountaineering, and international travel. 

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