Mike Morris


Blake Moore

Vice President

Kara Cameron


Kasha Morris


David Longman

Board Member

Giorgio Pochettino

Board Member

Seema Lalani, MD

Board Member

Michael Sacher, PHD

Board Member

Thomas Kim

Board Member


Ann Geffen,M.A., J.D.


Ann Geffen serves as the TANGO2 Research Foundation’s inaugural Executive Director. With a strategic vision, she directs the Foundation’s goals and oversees its daily functions, including marketing, operations, programs, and financial management. Ann plays a pivotal role in both the recruitment and engagement of international key stakeholders and volunteers to serve families located in over 30 countries. She spearheads the Foundation’s fundraising initiatives and propels the foundation’s research-funding mission.

Prior to the TANGO2 Research Foundation, Ann was instrumental at several national nonprofit organizations including the March of Dimes, managing numerous accounts as a National Corporate Account Manager and Executive Director. Notably, she oversaw their largest national partner, amassing contributions of over $6 million annually. Her 14+ year nonprofit journey also encompasses roles at the American Heart Association and American Lung Association, where she championed fundraising and drove community engagement initiatives for thousands of volunteers in Central Florida.

In addition, Ann holds a Juris Doctor from the Thomas Jefferson School of Law and a Master of Arts in Strategic Public Relations from the University of Southern California.

She lives in Winter Garden, Florida with her husband, Dr. Joseph Geffen, and their two young children.

Deena Chisholm, MPH, CHES

Research Engagement Director

As our Research Engagement Director, Deena plays a pivotal role in developing and implementing the foundation’s strategic plans for research and grant activities, ensuring alignment with TANGO2 Research Foundation’s objectives. She also builds and maintains relationships with a diverse array of stakeholders, such as researchers, clinicians, patient families, and the broader research community. Deena oversees the continuous evaluation and refinement of the foundation’s research operations ensuring that the Foundation consistently operates at the forefront of the field.

Prior to joining the TANGO2 Research Foundation, Deena spent over a decade with large, complex health care systems and non-profit organizations developing and leading research, public health and education initiatives. She is experienced in developing and implementing community health education, tools, programs and interventions that promote engagement, optimal health & wellness. 

Deena is skilled in grant, program and project management, multivariate statistical analysis, qualitative research methods and Community-based participatory research (CBPR). She holds a Master’s in Public Health from West Chester University. Additionally, she was inducted into the Beta Xi Chapter of the Delta Omega Honorary Society of Public Health and became certified as a Health Education Specialist by the National Commission for Health Education Credentialing.

Deena currently resides in Delaware with her husband and two children. In her free time she enjoys taking fitness classes like cardio-kickboxing and spin, exploring new restaurants, traveling, and reading.

Destiny Braden

Development and Operations Associate

As the Development and Operations Associate, Destiny plays a critical role in ensuring the smooth and efficient operation of the TANGO2 Research Foundation, with a focus on development-related duties. She oversees the day-to-day operational functions of the foundation, including fundraising, donor outreach, and program support.

Prior to joining the foundation, Destiny spent nearly three years working in nonprofit development, supporting immigrants and refugees from over 60 different countries. She also completed a year of national service through AmeriCorps. She is experienced in communications, fundraising, event planning, and graphic design. Destiny is passionate about building capacity for mission-driven organizations engaged in vital work, such as the TANGO2 Research Foundation.

Destiny holds a Bachelor’s degree in Sociology and Anthropology from Ohio Wesleyan University.

Currently residing in Ohio, Destiny enjoys running, rock climbing, and traveling.



Cheyenne Beach, MD
Yale School of Medicine

Samuel Mackenzie, MD, PHD
University of Rochester

Jerry Vockley, MD, PHD, FACMG
UPMC Children’s Hospital of Pittsburgh

Christina Miyake, MD, MS
Baylor College of Medicine

Donna McDonald-Mcginn, MS, LCGC
The Children’s Hospital of Philadelphia

Elizabeth Ames, MD, PHD
University of Michigan

Nicolas J. Abreu, MD
New York University

Madeline Chadehumbe, MD, FAAN 
University of Pennsylvania & Neurabilities healthcare

Vandana Gupta, PHD
Harvard University, Brigham and women’s hospital

Michael Sacher, PHD
Concordia University, Canada

Hortense de Calbiac, PHD
Institut Necker Enfants Malades (INEM). France


Christina Miyake, MD, MS

Cheyenne M. Beach, MD

Lina Ghaloul Gonzalez, MD

David P. Harris, MD

Seema Lalani, MD

Pascale de Lonlay, MD

Samuel Mackenzie, MD, PhD

Josh Meisner, MD, PhD

Lilei Zhang, MD, PhD