Our Team
Board of Directors

Sara I. Diaz Valentin, MD, MSC, FPMRS, FACOG
Founder & President
Indianapolis, Indiana
Born and raised in Puerto Rico, Dr. Diaz is a urogynecologist with a thriving practice in Richmond, Indiana where she is the Medical Director of Women’s Health services at Reid Health.

Linka Matos, MD, JD
Vice-president
Dr. Linka Matos Rivera is an anesthesiologist specialized in interventional pain management, regenerative medicine, acupuncture, and traditional Chinese herbal medicine.

Carolina E. Reveron-Arias, MD
Secretary
Boston, Massachusetts
Born and raised in the northwest municipality of Isabela, Puerto Rico. Dr. Reveron is a recent Boston transplant, where she’s completing her Diagnostic Radiology Residency at Tufts Medical Center.
Staff

Karen Caraballo Psy.D.
Chief Executive Officer
Brooklyn, New York
Born and Raised in Puerto Rico Dr. Karen Caraballo is a New York City Bilingual Clinical Psychologist in private practice. She has extensive experience with Latino Immigrant Families.

Millie Ramos
Chief Operational Officer
Puerto Rico
I worked for 32 years at the University of Puerto Rico, Rio Piedras Campus. My preparation in Business Administration led to my career in the UPR that spanned from Statistics Official, Budget Analyst, and Auxiliary Dean in Administrative Affairs in the School of Architecture during my last years there. Besides being passionate about sustainability, environmentalism, livable communities as well as being of service to others, I am a passionate believer in volunteer service, and since my retirement has retaken with enthusiasm. In the last few years, I have enjoyed being of service to various non-profit organizations.

Félix Seda
Regional Manager
San Juan, Puerto Rico
Born and raised in San Juan Puerto Rico and has experience working in humanitarian-volunteer organizations. Has worked in leadership, administration, team building, and project management. Currently undertaking his Ph.D. in psychology in researching mental health after traumatic events.

Eimy Rivera
Social Media Director
Puerto Rico

Kermin Martinez
Grant Writer

Migna Guzman
Chief Financial Officer
New York, New York
Migna Guzman is an independent

Chrys Cuencas
Executive Assistant
San Juan, Puerto Rico
Chrys M. Cuencas Cuencas was born and raised in San Juan, Puerto Rico. Currently, she is completing a bachelor’s degree in Secondary Level General Sciences from the University of Puerto Rico at Rio Piedras. She has worked with various local non-profits in projects supporting children and youth development with a particular interest in transdisciplinary health research.

Michelle Ramírez, MD
Editorial & Disaster Relief Director
Brooklyn, New York
Dr. Ramírez lives in Brooklyn, NY. She is a Pediatric Critical Care physician and founder of Dream Vibrant Health.

Mildred J. Perea, MD
Social Media Coordinator
Tampa, Florida
Puerto Rican Pediatrician practicing in Tampa, Florida. She is a mother of two and creator of Chronicles of a Juggling Mom.
“I have joined PRRU to be able to give back to my community and see my fellow Puerto Ricans thrive.”