Our People


Richard Tabarrini


Richard has worked in the pharmaceutical industry for over 23 years, 20 of which have direct involvement with computer validation and regulatory compliance.  Prior to founding Covex, he served six years as a Project Manager and an additional two years as the VP of Business Development at another validation consulting firm and also served as a Senior Manager at Ernst and Young.  His role at Covex includes leading the sales department, overseeing company finances, and actively managing and executing IT Computer Validation Projects.  Richard earned a B.S. degree in biology from LaSalle University. He has achieved certification by the American Society of Quality as a Quality Auditor and has been approved by the Parenteral Drug Association (PDA) for performing PDA sponsored audits.


Michael Zanette

Director, Compliance Services

Mike has been working in the pharmaceutical field for over 20 years specializing in system implementation, automation, validation, and regulatory compliance. Mike manages the Covex Compliance department, which includes projects in the areas of laboratory systems, laboratory based IT systems, manufacturing automation systems, data acquisition systems and information management systems.  He provides internal and external industry training on many topics including Validation System Life Cycle, 21 CFR Part 11 applicability and adherence, and laboratory systems control.

Mike earned a B.S. degree in Biology from Pennsylvania State University. He has achieved certification by the American Society of Quality as a Quality Auditor, performing audits in both the US and Europe.  He acquired his PMP from the Project Management Institute and supports clients on global program planning and implementation.


Charles Yardley

Director, IT Services

Chuck Yardley earned his Bachelors Degree from LaSalle University. Chuck has been working in the validation field for 16 years. Prior to that he was a network administrator, responsible for hardware (routers, switches, and servers) and software (all Microsoft Windows Operating systems, SQL databases, and Microsoft Exchange Email) systems. Chuck specializes in Information Technology systems, from Oracle and SQL databases to 21 CFR Part 11 “wrapper” solutions. Throughout his 12 years Chuck has worked on all types of validation projects. He has worked on large 21 CFR Part 11 remediation projects as a technical lead for IT Systems validation, as well as, on the development and qualification of data centers and their networks.


Jean Colflesh

Office Manager

Jean has been working in accounting and office management for over 30 years. She has worked in the Validation/Engineering industry for approximately 18 years.  She is responsible for the coordinating, directing and reporting of all financial transactions for Covex and manages the human resource functions of the company.  Jean is instrumental in the development/implementation and communication of Covex’s policies and procedures and is involved in the daily business operations, performing everyday tasks necessary for the efficient running of the business. Jean has an Associate Degree in Accounting from Widener University.


Christopher Petriw

Manager/Computer Systems Validation

Chris has been working in the validation field since 1998. As a Senior Validation Engineer, Chris has gained valuable knowledge in how systems integrate into each other by being exposed to different manufacturing and laboratory sites and their proprietary system configurations. Chris’s validation experience includes, Network validations, Warehouse Management and Distribution Center qualifications, Data Archive based software packages, Chromatography Data Acquisition packages, Laboratory Information Management Systems and Document Management systems.

Chris earned his B.S. in Chemical Engineering from the Pennsylvania State University.


Danielle Miner

Manager/On Shore Testing Services

Danielle has been working in the validation field ever since her graduation in 2006. Danielle specializes primarily in the validation and deployment of Laboratory Information Management Systems (LIMS) from conception to go-live at multiple clients within the Pharmaceutical industry. She is a certified LabWare LIMS Administrator and well versed in various LIMS modules such as Core Lab Workflow, Stability, Environmental Monitoring, and Retains.

Her current responsibilities include the creation, management, oversight and daily operation of the Covex Onshore Testing Services (OTS) department within Covex.

Danielle earned her B.S. in Biology from Pennsylvania State University and her M.S. in Quality Assurance and Regulatory Affairs from Temple University’s School of Pharmacy.

Our Clients

  • client_acculogix
  • client_alcon
  • client_barr
  • client_boehringer_ingelheim
  • BMS
  • client_centocor
  • client_csl_behring
  • client_ethox
  • client_gsk
  • InfinityQS
  • Janssen
  • JnJ
  • client_johnson_matthey
  • client_medpointe
  • client_merck
  • Mylan
  • client_nice_pak
  • client_pfizer
  • client_pmrs
  • Sanofi
  • client_teva