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About Us

Our Team

Meet Our Team

Jenn Alcalde is a research assistant at Headington Institute, supporting its data analysis, reporting, and research and development projects. She is currently pursuing her Ph.D. in Clinical Psychology at Fuller Graduate School of Psychology. Her clinical interests include culturally grounded approaches to psychotherapy and the integration of spirituality and wellbeing. Jenn enjoys trying new coffee shops and restaurants, listening to podcasts, and spending time with her loved ones.


Jenn Alcalde

Research Assistant

Dr. Diane Flannery holds a Ph.D. in Organizational Psychology. She is a serial social entrepreneur passionate about creating change through social enterprise and innovation. Dr. Flannery has over 30 years of leadership experience domestically and internationally and has done work in Cape Town, South Africa, over the last sixteen years. She enjoys travel, is a sculptor using indigenous weaving techniques, and loves spending time with family and friends.

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Dr. Diane Flannery

Chief Executive Officer

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​

Senior Director of Clinical Services

Renée Louve is the Business Development and Client Services Associate at Headington Institute. She assists individuals and organizations in creating a tailored plan of services to optimize the potential to thrive. Renee holds a Master of Arts in Human Services Counseling. In her spare time enjoys exploring healing art forms, staying active, reading, listening to podcasts and quality time with her family and friends.

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Renée Louve

Business Development and Client Services Associate

Dr. Monique Mendoza is a licensed counseling psychologist with a background in supporting individuals exposed to stressful environments. She specializes in transformational growth, resilience development and value-centered goal attainment. She brings a unique perspective to supporting global aid workers and offers a holistic view of trauma. She enjoys gardening, quality family time, and outdoor adventures.


Dr. Monique Mendoza

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

Megan Moody acts as the Operations Manager at Headington Institute, overseeing its administrative, bookkeeping, and organizational needs. Megan graduated with an M.A. in Theology from Fuller Seminary in 2017. In their spare time, Megan enjoys performing music, exercising, and spending time with friends.

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Megan Moody

Operations Manager

Dr. Sheila Konyu Muchemi is a licensed clinical psychologist based in Nairobi, Kenya. She works in private practice. She has taught various courses at undergraduate universities in Kenya, and continues to provide trainings to different audiences on mental-health related topics. Dr. Muchemi has experience working in various inpatient and outpatient settings in the US where she obtained her doctorate degree. She enjoys traveling, a good novel, and spending time with friends and family.


Dr. Sheila Konyu Muchemi

Consulting Psychologist

Tala Noweisser is a licensed psychologist currently residing in Beirut, Lebanon. Having completed her Master's degree in Counseling Psychology in Canada, Tala had the opportunity to work with individuals coming from diverse educational, cultural, and ethnic backgrounds. Upon her return to Beirut in 2012, Tala offered counseling services in school, university, and private clinical settings. Tala is passionate about delivering webinars on topics like Trauma, Parenting, and Anxiety, among others. Tala offers clinical and training services in Arabic, French, and English.

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Tala Noweisser

Consulting Psychologist

Clarisa Paschall, a Clinical Psychology Ph.D. student at Biola University, serves as a research assistant at Headington Institute where she specializes in data analysis, reporting, and project development. Clarisa’s expatriate childhood living across three continents informs her research through a cultural lens. Focused on decolonizing psychological theory, her clinical interests encompass family-systems and relational cultural psychotherapeutic practices. In her leisure, she enjoys writing and playing music, exploring new cities, and planning future adventures.

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Clarisa Paschall

Research Assistant

Ieva Prapuolenyte-Nizaraly is a licensed psychologist based in Paris, France. In addition to operating a private practice, she works at a psychotrauma center for asylum seekers, providing training, group analysis sessions, and individual psycho-social support for social and humanitarian workers. With extensive experience in the humanitarian field, including twelve missions with various international NGOs, she continues her research in compassion fatigue and vicarious trauma. Ieva enjoys traveling, diving, trekking, and playing music.

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Ieva Prapuolenyte

Consulting Psychologist

Dr. Mike Rakow is a licensed clinical, operational, organizational psychologist based in Chicago, IL. He has extensive background in developing/delivering preventive programs, assessments, training, and other support for teams exposed to complex high-stress environments. Mike’s clinical work has often focused on stress, trauma, resilience, and post-traumatic growth. He is a retired Army SERE and Special Forces psychologist who assesses, develops, and coaches leaders across all sectors. Mike enjoys trail running, family time, and DIY landscaping.

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Dr. Mike Rakow

Consulting Psychologist

Dr. Esther Rapoport is a licensed clinical psychologist based in Tel Aviv. In addition to private practice in psychotherapy and university teaching, she co-directs a Psychological Support Service for managers and staff of human rights NGOs, and has worked with many Israeli, binational (Palestinian/Israeli) and international organizations to foster team cohesion and resilience in the face of cumulative stress and ongoing exposure to violence. She is trilingual in Russian, English and Hebrew. In her spare time, she enjoys exercise, theater and drumming.

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Esther Rapoport

Consulting Psychologist

Dr. Aaron Rosales is a licensed clinical psychologist who specializes in supporting people striving for a better world. He co-founded a nonprofit that partners with community leaders to design and launch wellbeing initiatives globally. In both therapy and training, Aaron uses this personal experience and insights to impart the key psychological skills for resilience in the face of adversity. He enjoys all things coffee, cooking, and travel.


Dr. Aaron Rosales

Consulting Psychologist

Dr. Alice Schruba is a licensed clinical psychologist with a background in serving individuals and groups experiencing acute and chronic stressors, burnout, substance abuse, and grief and loss. Her clinical interests surround values clarification, meaning-making, resilience, assessment, and spiritual and psychological well-being following disasters. She enjoys reading, listening to podcasts, and exploring nature preserves with her dog.

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Dr. Alice Schruba

Director of Training and Education Services

Dr. Annika Sridharan is a licensed clinical psychologist in Berkeley, California. She has supported survivors of severe trauma in US and international contexts for the past 30 years. She provides psychological care for asylum seekers and refugees with a relational and humanistic approach, along with training, supervision, and professional wellbeing support for staff working with traumatized communities. Annika speaks English, French, Spanish and Portuguese, and enjoys nature, reading, world music and dancing.

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Dr. Annika Sridharan

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

Kristen Swift is the Special Projects Associate at Headington Institute where she executes ongoing support functions as well as strategic projects. She holds a B.S. in Communications from Boston University and enjoys spending time with her husband, kids, dogs, cats and chickens.

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Kristen Swift

Special Projects Associate

Stephen Thompson holds an MA in Clinical Forensic Psychology and is currently in the dissertation stage of completing his EdD in Organizational Leadership & Development with a research focus on fostering humanitarian aid worker well-being through developing contextualized leadership development programs. He is a Certified Corporate Wellness Specialist and a Certified Healthcare Reform specialist with a passion for workplace mental health and well-being. Stephen enjoys aerial videography, traveling, and trying new cultural dishes.

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Stephen Thompson

Senior Specialist for Global Staff Care & Well-Being

Muriel Tyan is a trilingual licensed clinical psychologist based in Paris, France with over 20 years experience. She has a background in treating patients with trauma from high risk environments. She gives training, webinars and is a lecturer and guest speaker on conferences in the Arab world. She is passionate about clinical work as a psychotherapist supporting patients suffering from PTSD, depression, bereavement, chronic illness, anxiety and burnout. She enjoys sports, reading, theater and dancing.


Muriel Tyan

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.

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Dr. Shelle Welty

Consulting Psychologist

Dr. Rick Williamson is a licensed clinical psychologist based in Los Angeles, CA. He is co-founder of a nonprofit organization dedicated to understanding and serving the mental health needs of hard-to-reach segments of oppressed and marginalized communities. He specializes in the treatment of trauma and has a passion for supporting care-providers that serve in high-demand contexts. He is a lifelong student of the martial arts.

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Dr. Rick Williamson

Senior Consulting Psychologist

Meet Our Co-Founders

Dr. James Guy is cofounder and former Executive Director of the Institute (2001-2022). As a licensed clinical psychologist, researcher, and educator with 40 years of experience, Jim combined theory and practice to lead the Institute. Retiring at the end of 2022, he is now Executive Director of the Headington Institute Foundation.

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Dr. James D. Guy, PhD


Dr. Timothy Headington is cofounder and former Board member of the Institute (2001-2012). He is president and sole owner of Headington Resources, with companies in oil and gas exploration, real estate development, and entertainment. He is an active philanthropist in the arts, education, and health and a visionary community leader in Dallas, Texas.


Dr. Timothy Headington


Meet Our Board of Directors

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, Chair

Vice President (Retired) | Capital Group Companies

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.

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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

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

Sharon Wurtzel is a social entrepreneur with 25 years experience in nonprofit and government leadership roles committed to creating innovative solutions to complex social problems. Her work has focused broadly on expanding opportunities in low-income communities and strengthening civic engagement. She has been an active board member of several youth development, education and philanthropic organizations. When not engaged in those pursuits, Sharon is busy making art or traveling. She lives in NY with her husband, son and dog.

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Sharon Wurtzel

Social Impact Consultant

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

Join our mission to support staff working in high-stress environments.

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