PanAmerican Delivers Quality Results

PanAmerican is a women-owned company that has extended its reach beyond the U.S. and North America, expanding into Latin America. We serve pharmaceutical sponsors, CROs, government organizations and global health partners. Through our community-oriented and patient-centric approach, we achieve exceptional patient recruitment and retention, coupled with the highest quality data.
Meet our leadership team

Guided By Visionary Leadership

Kathy Lenhard

Chief Executive Officer & Founder

Bridget Ristagno

Vice President Clinical Operations

Claudia Mano

Vice President Clinical Operations Central/South America, and Caribbean

María Reyes

MD; Board Certified Specialist in internal Medicine and Infectious Diseases
Medical Director for Latin America

Giselle Peschard

MD MSc.; Board Certified MD in internal Medicine Nephrology Fellow (TBC June 2024)
Medical Director for US

The PanAmerican Way

Leverage our experience to optimize your research process, expedite study start up, ensure meticulous trial supervision, uphold exceptional outcomes, and meet your deadlines seamlessly.

Learn more about all our services

About Our Partners & Sponsors

At PanAmerican Clinical Research, we focus on a collaborative approach with CROs and sponsors, delivering the highest quality data, access to diverse participant populations, and superior participant retention.  PanAmerican is a preferred partner for many CROs and sponsors because of our reputation of providing extreme participant focus, quality data to our sponsors, and a collaborative mindset.

Why partner with PanAmerican Clinical Research?

PanAmerican provides the right investigator to target the right participants for phase I – IV clinical research studies in the U.S. and LATAM.  We have supported numerous studies and we are committed to delivering timely high-quality data and exceptional participant focus.

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What CROs and Sponsors say about PanAm

PanAmerican Clinical Research sites are first world in a third world country by facilities, professionalism, ethical principles, and regulated research.

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Pharmaceutical sponsor during visit to PanAmerican sites in Mexico


PanAmerican uses physicians as study coordinators which make studies progress smoothly from startup to closeout.

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Medical Director, Pharmaceutical company

Meissa Vaccines

PanAmerican’s dedication to improving public health has help them gain the trust of the communities they serve.

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Site Engagement Profession, CRO


PanAmerican’s culture of teamwork made monitoring my study easy.  I wish all sites worked like PanAm.

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Monitor, CRO


Our Research Sites

Brownsville, TX

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Guadalajara, MX

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Querétaro, MX

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Bluffton, SC

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