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
President & Founder
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
Executive Director of Business Development & Client Services
With Criterium Inc. since 1997
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
Director of Data Operations
With Criterium Inc. since 1996
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.