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Executive Team

Get to Know Criterium - Your Collaborative CRO

Executive Team

Criterium provides quality solutions, reduces costs, and accelerates timelines. When we exceed clients’ expectations everybody wins. Our staff members are motivated to make sure each and every client is satisfied.

John Hudak, MBA
John Hudak, MBA

President & Founder
with Criterium for 28 years

John has more than 45 years of experience in the pharmaceutical research and business development arena serving the pharmaceutical and contract clinical services sectors. He has extensive expertise in strategic planning and competitive analysis, market development, promotional planning and tracking, proposal design and custom-services development, international project management and clinical study completion, protocol design and implementation, electronic data capture, interactive data collection and reporting applications and market communications and has worked with drugs, biologics, generics and medical devices.

Ronny Schnel
Ronny Schnel

Executive Director of Business Development & Client Services
with Criterium for 22 years

Ronny Schnel, Executive Director of Business Development and Client Services, has over 30 years of industry experience. Her background includes management and implementation of innovative systems for conducting clinical studies. She is highly proficient in the effective use of negotiation and mediation to reduce project-related stress. Mrs. Schnel maintains frequent contact with all stakeholders in a collaborative process to ensure progress with project requirements, Criterium’s unique workflow, and sponsor-specific guidelines. She creates value-based strategic and financial options that enhance a client’s ability to accomplish its mission and stay within budget. Her priority is to utilize her knowledge and the technology available to shape the efforts required to successfully execute clinical trials. Her strong clinical background and experience in drug development enables her to understand the needs of customers and lead Criterium teams accordingly.

Mary Stefanzick
Mary Stefanzick

Director of Operations
with Criterium for 24 years

Mary Stefanzick has more than 24 years of experience in implementing and supporting data collection systems. She has been instrumental in developing Criterium’s proprietary Clinical Data Liaison approach to clinical trial management. In her current role, she is responsible for hiring, training, and managing the staff and consultants required to complete a project. Ms. Stefanzick continues to improve processes as Criterium adopts new technologies. She has been instrumental in the development of quality systems.

Gregory J. Bailey
Gregory J. Bailey

Director of Programming
with Criterium for 19 years

Greg Bailey is responsible for providing quality technology solutions to meet the needs of our clients. He uses his extensive background working in medical IT organizations as a platform to develop creative, secure, and quality applications. Mr. Bailey’s main role is to provide the continuing development, support and enhancement of Criterium’s applications leading to increased efficiency and streamlined workflows.

Eduardo Jahn
Eduardo Jahn

Director of Project Management & Monitoring
with Criterium for 24 years

Ed Jahn, has more than 24 years of experience in managing global clinical trials. As Director of Project Management and Monitoring, he organizes and provides information on planning, progress, logistics and operational results, which are used to evaluate the profitability and performance of our projects portfolio. He is fluent in Spanish and has traveled the globe extensively. Mr. Jahn has previously served as a Project Manager and Senior Lead CRA on multiple global clinical studies in the United States, South America, England, Europe, South Africa, India, and Southeast Asia. His skill at communicating with our clients in various cultures has been an invaluable resource to Criterium.

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