ASH 2023

Meet PSI at ASH 2023!

This year our team is headed to San Diego for the premier event in classical and malignant hematology, the American Society of Hematology 2023 conference. Meet our team of experts at this year’s conference where we will be exhibiting at our booth.

Our team has tackled one of the largest ever hemophilia gene therapy trials, and our knowledge and expertise managing novel clinical trials makes us a global leader in hemophilia and hematology studies. Schedule some time to stop by our booth to speak with a member of the team, or view our subject matter expert bios below!

Attending team members:

 Rhonda CritchlowRhonda Critchlow with teal circle border

Senior Director, Operations Management

> Meet with me at ASH 2023!

Rhonda Critchlow, Senior Director of Therapeutic Strategy, currently oversees all of PSI’s core indications, and specializes in operational strategy within oncology and radiopharmaceuticals. With over 25 years of research experience, she provides valuable leadership and management working both regionally and globally.

Overseeing the therapeutic strategy department, which includes our Site Support Specialist, Rhonda brings guidance and oversight to specialty vendor management, patient recruitment and retention for our sponsors.

Prior to working at PSI, her experience includes working within oncology research as a Coordinator and Director, CRA, Clinical Trial Manager, Head of Monitoring and Vice President of Early Phase Oncology before joining PSI. Rhonda also has experience working with general radiology and nuclear medicine in large hospital organizations, providing valuable input for clinical development, study management and operational considerations.


Vince Calderon

Director, Project Management

> Meet with me at ASH 2023!

Vince serves as a Director and supervisor of Project Management, overseeing PSI’s team of Project Management staff and several studies in oncology and hematology. Vince has been with PSI since December 2019, and is based in Texas. He has over 19 years’ clinical research experience, 15 years of project management experience, and has delivered 20+ oncology studies in both solid tumors and hematology-oncology.

Vince has professional affiliations with the Project Management Institute in the US and has been a certified Project Management Professional since 2012.


Colleen Ring

Associate Director, Feasibility Department

> Meet with me at ASH 2023!

Colleen Ring, PhD, Associate Director, Feasibility, has worked in the clinical research industry for the past 12 years. Prior to transitioning to the clinical research field, Colleen was a senior research scientist, specializing in multiple signaling pathways (e.g. TGFb, Tyrosine Kinases, Rho/Rac GTPases) across a broad range of areas, including oncology. As a leader within PSI’s global feasibility team, Colleen specializes in strategy development across multiple therapeutic areas – focusing on aligning a study’s design with top enrolling investigators in the right countries.

Using PSI’s INTELIA platform, a machine-learning-powered system for data-driven feasibility and enrollment forecasting that models and compares hundreds of country and site combinations, their budgets and probability of success, Colleen develops recommendations for optimized enrollment in line with each sponsor’s key objectives.

As an Associate Director, Colleen provides leadership for global feasibility and site identification activities for both pre- and post-award opportunities and projects.

Alex Houlbrook
Director, Business Development


Alex goni teal circle border


Alex Goñi
Senior Director, Business Development



Gayle Yotch
Senior Director, Business Development


Meet PSI at this event

Please note you may need to book a ticket to this event directly via the conference website.

Ready to meet? Enter your information below, and our team will reach out to schedule a time to chat.

  • This field is for validation purposes and should be left unchanged.

Related events

ASH 2023

Targeted Radiopharmaceuticals Summit Europe

Clinical Trials in Oncology Europe 2023