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About Us​

Our Team

We’re leaders in our field who walk hand-in-hand with those we serve.​

Meet Our Team

Dr. Melis Alkin is a licensed clinical psychologist providing training and counseling in Turkish, French, and English. She founded a refugee mental health program in Turkey, has taught undergraduate and graduate courses in counseling and psychology, served as a research ethics board member, and working as a psychologist in private practice. She loves going swimming with her children and delving into articles or books on theory.


Dr. Melis Alkin

Consulting Psychologist​

Dr. Marissa N. Coleman is a bilingual licensed clinical psychologist whose practice is directly influenced by her work with torture survivors in El Salvador. Dr. Coleman’s specialty includes culturally grounded approaches to trauma recovery and psychological well-being. Her personal multicultural background enables her to view challenges from multiple perspectives, as well as, honor the cultures of each individual and system with whom she works. She enjoys enjoys reggae music, being by water, and traveling with her family.

Marissa N. Coleman

Dr. Marissa Coleman

Consulting Psychologist

Dr. Huong Diep is a bilingual licensed clinical psychologist with over ten years of experience 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.

Dr. Huong Diep

Dr. Huong Diep

Consulting Psychologist

Caitlyn Ference-Saunders coordinates all fundraising and stewardship activities at the Headington Institute, including donor management and recognition, programmatic appeals, and annual giving. In addition to her years of experience supporting non-profit growth and sustainability, Caitlyn holds a Master of Arts in Theology and Art and is an active theater director.

Caitlyn Ference-Saunders

Caitlyn Ference-Saunders​

Director of Development

Dr. Jason Goldstein is a licensed counseling psychologist specialized in the delivery, training, and supervision of trauma-focused therapies. He provides training, psychotherapy and consulting services. Individually and within group settings, he is particularly attentive to the intersection of trauma, resiliency, and religious/spiritual identity. He enjoys camping, hammocks, sports, and hosting BBQs with family and friends.

Dr. Jason Goldstein

Dr. Jason Goldstein

Consulting Psychologist

Dr. Scott Grover is a licensed clinical psychologist who provides training, counseling, and consulting services. With a background in training mental health professionals specializing in 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. Scott Grover

Dr. Scott Grover​

Director of Clinical Services

Dr. James D. Guy is 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.

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Dr. James D. Guy

Executive Director & Cofounder

Roslyn Hernández creates content and educational resources for the Headington Institute's online learning platforms. Roslyn has lived internationally and is passionate about film and photography. Prior to joining the Institute, Roslyn worked as a youth mentor and educator.

Roslyn Hernández

Roslyn Hernández

Resource Innovations Lead

David Lopez is the administrative backbone of the Headington Institute. He oversees everything from our complex billing to keeping the team fueled by fair trade coffee. David has a strong commitment to the education sector. As a beneficiary of the charter school movement in Southern California, his deep appreciation of all learning environments grounds his life’s work.

David Lopez

David Lopez

Office Manager

Dr. Tatiana McDougall is a licensed clinical psychologist with experience in evidence-based trauma treatments, relationship counseling, and group work, and provides services in both English and French. 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. Tatiana McDougall

Dr. Tatiana McDougall

Consulting Psychologist

Dr. Jacquelyn Millham is a licensed clinical psychologist with more than a decade of experience in psychoanalytic psychotherapy, with a special focus on team dynamics in cross-cultural environments. She is a former aid worker, with experience in refugee support (Somalia and Thailand) and co-founded a nonprofit addressing children at risk in Kenya. She enjoys outdoor recreation, travel, gardening and hiking.

Dr. Jacquelyn Millham​

Dr. Jacquelyn Millham

Senior Consulting Psychologist

Dr. Brent Stenberg is a licensed clinical psychologist with 35 years of experience 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 to support regional staff welfare initiatives. Brent enjoys international travel, mountaineering, and photography.

Dr. Brent Stenberg

Dr. Brent Stenberg

Senior Consulting Psychologist

Dr. Shelle Welty is a licensed psychologist who has been deeply influenced by her work with Central American refugees. Her clinical interests include trauma treatment, group psychotherapy, spirituality, and building resilience in those who live and/or work in chronically stressful environments. Shelle enjoys mountain biking, live music, and new adventures.

Professional Photo

Shelle Welty

Consulting Psychologist

Dr. Jennifer T. Young serves as a bilingual Consulting Psychologist, providing psychotherapy services in English and Mandarin. She is a licensed psychologist with a background in family systems and couples therapy. Dr. Young’s work has been influenced by the multiple international settings she has worked in where she has provided training, consultation, programming, crisis intervention, and/or counseling services. She enjoys reading, writing, studying Mandarin and Spanish, dancing, and practicing yoga.


Dr. Jennifer T. Young

Consulting Psychologist

Esther Yu is Research Assistant at the Headington Institute. As a doctoral student in clinical psychology, Esther provides analysis for the Institute’s data driven research and services, and contributes to ongoing research and development projects. She holds a B.A. in International Development from UCLA and is passionate about cross-cultural work. She enjoys watching movies, exploring new cafes, and backpacking.


Esther Yu

Research Assistant

Board of Directors

Alan C. Hostrup is the President & CEO of the YMCA of Metropolitan Los Angeles. His service area includes 26 community Y’s, 3,000 staff, 5,000 volunteers and 3 camps which serve 500,000 individuals annually. Alan's personal interest in international work and his lifetime commitment to work towards a more civil and inclusive society led him to join the Institute as a member of the board of directors in 2002 and as board chair in 2005. He has three grown daughters and one granddaughter.

Alan 2

Alan Hostrup, Chair

President & CEO | YMCA of Metropolitan Los Angeles

Jock Ebner is President of Morlin Asset Management, LP, a regional commercial real estate property management and leasing company. As a specialist in the management of multi-story office buildings and emergency response, including the well-being of emergency first responders. Over the years, Jock has been active in local communities as a coach in youth soccer and baseball organizations.


Jock Ebner, Vice Chair

President | Morlin Asset Management, LP

Joan Riboli is retired CFO of The San Antonio Winery, the oldest winery in Los Angeles, and remains active in the family business. An experienced nonprofit volunteer, Joan was Commissioner of Soccer, AYSO, in South Pasadena, overseeing numerous programs and regional volunteers. A commitment to "helping those who help others" led her to join the board of directors in 2011. A new business venture and enjoyment of family and granddaughters continue to keep her busy.

Joan Riboli 2

Joan Riboli, Secretary

Chief Financial Officer (Retired) | San Antonio Winery

Pamela Fogg is a principal in the firm of Dowsett ,Fogg, & Doler, P.C. where she directs the healthcare reimbursement practice supporting skilled nursing facilities and home health agencies. An active volunteer, she has served on the boards of an AIDS facility, an oral deaf school, and as a lottery commissioner for the state of Oregon. She is currently a founding board member of Arise Rwanda Ministries focusing on vocational education, clean and safe water systems, and community development in Boneza, Rwanda.

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Pam Fogg, Treasurer

Certified Public Accountant | Dowsett Fogg & Doler, P.C.

Michelle Banks is the President of the African American Firefighter Museum. Michelle joined the Los Angeles Fire Department (LAFD) in 1984. She is the LAFD’s third uniformed African-American woman, second African-American female Paramedic, and the first Special Assistant to the Fire Chief. Ms. Banks’ commitment to the fire service and dedication to enhancing the community’s well-being has been honored with California Senator Curren D. Prices Jr.s’ 2013 Hero Award and the Los Angeles City Women of Courage Award in 2000.


Michelle Banks

President | The African American Fire Fighter Museum

With over 30 years of experience as a licensed clinical psychologist, Dr. Winston Gooden has special expertise in psychotherapy with individuals, groups and couples. Prior to his return to our board, Winston served as a senior consulting psychologist with the Headington Institute. Having grown up in rural Jamaica, he has a particular concern for the challenges faced by persons and organizations in developing nations. Winston enjoys travel, gardening and hiking.


Winston Gooden

Ph.d., Dean (Retired) | Fuller Graduate School Of Psychology

Dr. Bruce Haines has over 25 years' experience as a Research Technologist at NASA's Jet Propulsion Laboratory and is recipient of the NASA Exceptional Service Medal (2014) and Tycho Brahe Award (2014). A specialist in remote-sensing technologies used by NASA, he understands how these technologies can be used to inform the urgent missions of humanitarian aid workers and global emergency responders. Bruce enjoys biking, trumpeting, skiing and spending time with his family.


Bruce Haines, Ph.D.

Principal Research Technologist | NASA Jet Propulsion Laboratory

Christopher Martin is the Chief Executive Officer and Co-Founder of Direct Access Capital, a Dallas-based specialty finance firm. He has spent the last 13 years in alternative investments and is passionate about finding and pursuing the best risk-adjusted returns in the private credit markets. Christopher believes strongly in the Institute's mission of equipping global aid workers and emergency responders with the tools to flourish in the midst of a crisis. Apart from the investment world, Christopher enjoys flying, tennis, and blues music.

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T. Christopher Martin

CEO | Direct Access Capital, LLC

Leah Porter is a Vice President at Capital Group Companies Global, focusing on marketing. Leah is an experienced marketer with a proven track record in increasing brand equity and accelerating profitable growth in a variety of industries. Leah has been working with the Headington Institute for the past 8 years because she believes strongly in the mission of the organization. While she enjoys financial services, she also loves spending time with family and hiking.


Leah Porter

Vice President | Capital Group Companies

John Romero retired in 2017 from a 32-year-long career in professional law enforcement. As a police captain, John was credited as the first to bring wireless emergency alerts to Los Angeles County. He currently directs the Los Angeles County Region, Southern California Alumni Chapter of the Naval Post Graduate School, Center for Homeland Defense and Security. John remains interested in improving policies and practices that mitigate fatigue-related errors in high-consequence environments. John places a high priority on faith, family and friends.


John Romero

Director | LA County Region, Southern California Alumni Chapter Of The Naval Post Graduate School, Center For Homeland Defense And Security

LuAnn Yocky is the retired National Executive Director for World Vision U.S. Working in the philanthropy division for over 35 years, she led trips throughout Africa, Asia, and Latin America to allow project partners to witness, firsthand, the impact of their humanitarian support. Her unique understanding of humanitarian challenges and expertise in philanthropy led her to join the board of directors in 2015. She remains involved with World Vision as a volunteer and is a charter member of the Columbia-Willamette Women of Vision.

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LuAnn Yocky

Senior National Director, Transformational Engagement (Retired) | World Vision United States

Support our global humanitarian workers.