Dr. Leslie Mesen, MD

Co-Founder & Chief Medical Officer

Dr. Leslie Mesen is a leader in the field of Anti-Aging Medicine in Latin America. He is board certified in anti-aging medicine by the American Academy of Anti-Aging and Regenerative Medicine. He has been practicing bioidentical hormone replacement for 10 years.

Dr. Jeffrey Ugalde, MD

M.D. Costa Rica & US Citizen

Dr. Ugalde is board-certified in anti-aging and regenerative medicine. He holds dual US/Costa Rican Citizenship. He is licensed to practice medicine in Costa Rica and received his board-certification from the American Academy of Anti-Aging Medicine. 


Dr. Paola Rosales MD

M.D. Mexico & US Citizen

Dr. Rosales is a graduate Autonomous University of Baja California, Tijuana, Mexico- Medical Doctor. She attended High School in Southern California and holds dual US/Mexican Citizenship.

Dr. Mark Henderson, MD

Physician Advisor, USA and Costa Rica Licensed

Dr. Henderson graduated from LSU Medical School. He did his medical residency in ER Medicine at the University of Louisville. He is a licensed M.D. in the United States and Costa Rica. He is board certified in anti-aging medicine and emergency medicine.

Dr. Mayo, MD

Physician, Licensed in Panama

Dr. Mayo is an Associated Physician to the Anti-Aging and…

Ms. Fabiola Lopez Brenes

Office Management

Ms. Lopez is responsible for coordinating patient services and support at the clinic. She is generally the first to greet patients when they arrive, and the last one to say goodbye as they depart. Fabiola’s background is in marketing, customer support, consumer behavior and the social sciences.

Ms. Helen Campos


Helen joined the Anti-Aging and Wellness Costa Rica location in 2018. She manages our front desk related to coordinating patient schedules, especially those coming from around the world for medical tourism.

James Richie

Co-Founder & Managing Director

Mr. Richie is a 26 year veteran of international business, serving as a senior telecom executive in the wireless cellular telephone industry. He has been involved in anti-aging and wellness medicine since 2004.

Dra. Eglys Gutiérrez Díaz

Nutritionist, Director of Patient Nutrition

Eglys Gutiérrez Díaz is a trained professional nutritionist and professional chef. Her nutrition training was completed at the Universidad Hispanoamericana, Code: 1346-13. Her training as a Chef was completed at the Cooking and Culinary School “El Secreto del Chef”…

Start Now!

Get started today! We’ll work with you every step of the way.

How It All Gets Started

Phone Consultation

It all starts with a phone or telemedicine consultation. We discuss your issues and goals, then determine the next steps.

Lab Work + Exam

The next steps are to get you a comprehensive blood test and a face-to-face medical exam with one of our medical staff.

Start Program

Step 3 is where our board-certified doctors customize a treatment program for you and optimize it over time.

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