The Leadership Team

Greg Austin is President of PCM Trials and has led the company to become a global leader in decentralized clinical trials since its inception in 2008. He also serves as President of Professional Case Management (PCM), a national provider of specialty mobile nurse visits. Leveraging over 30 years of institutional knowledge from PCM, Mr. Austin introduced many best practices of mobile nurse visits to the clinical research industry, enabling the widespread adoption of decentralized clinical trials utilizing nurse visits to participants’ homes. He further evolved a robust shared services structure with PCM, deploying the infrastructure of a large mobile nurse visit company to support direct-to-patient clinical research needs. Mr. Austin’s visionary leadership enabled PCM Trials to scale up dramatically during the Covid pandemic to support sponsors and CROs worldwide, and many of PCM Trials’ innovations have been adopted as standard practices today for decentralized clinical trials.

Prior to joining PCM Trials, Mr. Austin served as a senior leader of strategy and corporate development at Dex Media where he was responsible for developing and driving digital growth strategies. He started his career with Computer Sciences Corp., where he led healthcare and life sciences engagements driving operational efficiencies, improving quality of care, and streamlining systems to maximize profitability.

Mr. Austin earned a Bachelor of Science in Business Administration from Metropolitan State University and a Master of Business Administration from the University of Colorado.

Charlie Billings is the Chief Information Officer. He joined PCM Trials in 2019 with over 25 years of information technology management experience.

Under Mr. Billings leadership, PCM Trials enhanced compliance with the CIS Critical Security Controls, HIPAA, GDPR, CCPA, 21 CFR Part 11 and others. PCM Trials received the CIO Magazine’s CIO 100 Award and CSO Magazine’s CSO50 award, recognizing the company’s commitment to delivering value and enhancing security through its digital transformation initiative. Mr. Billings led enterprise-wide systems initiatives to further enhance PCM Trials’ GDPR, HIPAA, and CIS compliance and data security.

Prior to joining PCM, Mr. Billings was the Chief Technology Officer at LT Trust Company. He previously held IT leadership roles at Dex Media. Mr. Billings started his career as a consultant with Deloitte Consulting.

Mr. Billings earned a Bachelor of Arts in Psychology from Boston University and a Master of Science in Management and Public Policy from Carnegie Mellon University.

Christy Crase is the Senior Vice President and General Counsel. Ms. Crase joined PCM in 2019 bringing more than 20 years of legal experience.

Prior to joining PCM, Ms. Crase was the Associate General Counsel of Payor and Commercial Contracting at DaVita. Previously, she held leadership positions with Baxter and Gambro. Ms. Crase started her legal career with Jones Day.

Ms. Crase earned a Bachelor of Arts in Political Science, and Spanish from Regis University, and a Juris Doctor Degree from Texas Tech School of Law.

Curtis Fletcher is the Chief Financial Officer. Mr. Fletcher joined PCM in 2010 overseeing the finance, treasury, and accounting functions.

Prior to joining PCM, Mr. Fletcher served as the CFO for Local Matters. He started his career as a public accountant with Arthur Andersen.

Mr. Fletcher earned a Bachelor of Science in Business from Wake Forest University and a Master of Business from the University of Alabama. Mr. Fletcher is also a licensed certified public accountant.

Mark McKenzie, M.D. is the Chief Medical Officer responsible for strategies and new initiatives in the clinical and therapeutic areas. He also provides medical and clinical oversight to EmVenio’s team of principal investigators involved in trials at community research sites globally. Dr. McKenzie joined EmVenio Research in 2023 with more than 20 years of experience facilitating clinical trials.

Prior to joining EmVenio Research, Dr. McKenzie served as Vice President of Clinical Affairs at M-3 Wake Research, where he was responsible for clinical operations, marketing, business development, and regulatory affairs. Previously, he was the regional medical director and principal investigator at ClinSearch.

Dr. McKenzie earned a Bachelor of Arts in Biology from Southern Adventist University and later returned to earn a Bachelor of Science in medical technology. He then received his doctorate from the Medical College of Ohio at the University of Toledo.

Jennifer Hoffman is the Vice President of Human Resources and Talent Acquisition. She joined PCM Trials in 2019 overseeing recruiting, benefits, and human resources.

Prior to joining PCM Trials, Ms. Hoffman was Senior Vice President of Human Resources for Spectrum Retirement Communities. Prior to that, she led a variety of human resource functions at MGM Resorts International and Caesars Entertainment.

Ms. Hoffman earned a Bachelor of Science in Communications from the University of Utah and is certified in Myers-Briggs.