+1 303 271 7100


Our Leadership

CoorsTek Executive Team Biographies

Jonathan Coors

Jonathan Coors



Jonathan Coors serves as Chief Executive Officer of CoorsTek, Inc. He joined CoorsTek in 2005 and has held multiple leadership roles across the Company prior to being appointed CEO, including CEO/president of the Medical and Semiconductor team and Plant Manager with the CoorsTek Armor Solutions division. Prior to CoorsTek, Jonathan worked for the Office of the Governor for the State of California under Arnold Schwarzenegger in various operations and campaign roles.

Jonathan is passionate about translating the Company’s strategy into practical ways to grow the business in alignment with customer needs. With more than 4800 team members across 40 locations world-wide, he enjoys the challenge of integrating various corporate cultures and new ways of thinking and working into the fifth-generation family business. As an active member of the local Denver chapter of the Young Presidents Organization (YPO), he values the importance of connecting and partnering to elevate family owned and operated businesses.

Jonathan holds a bachelor’s degree in political science from Pepperdine University, and a master’s degree in business administration from the University of Denver. He and his wife Erin live in Colorado with their children and in his free time he enjoys adventure racing and teaching his five boys how to fly fish.

Michael Coors

Michael Coors



Michael Coors is the Chief Executive Officer of CoorsTek, Inc., as well as other family boards and leadership responsibilities. In addition, he currently serves on the board of the One Institute, a Phoenix based non-profit focused on connecting young entrepreneurs and business people to each other and their calling. He is also a manager of 10K Investments, a family investing group primarily focused on early stage investments.

Prior to joining CoorsTek, Michael worked to reopen a historic ski area on the Colorado Front Range. He joined CoorsTek in 2008 holding various technology, operations, and management roles in the company. In 2012 he targeted, acquired and became CEO of Outlast Technologies, now a wholly portfolio of the Coors family. Returning to CoorsTek, Michael was promoted to CEO of CoorsTek, Inc. in February 2016.

Michael holds a Bachelor’s degree in Mechanical Engineering from Colorado School of Mines. He and his wife Charity reside with their three children in Evergreen, Colorado.

timothy Coors

Timothy Coors



Timothy Coors is the Chief Executive Officer of CoorsTek, Inc. Timothy also serves on the Board of Directors of Fiskeby AB, AC Summit, and Restoration Project (a non-profit).   

Timothy has worked for Graphic Packaging International, Fiskeby AB, and CoorsTek Inc. He has served in a variety of research, production, quality, and project management roles including plant manager and general manager. He is a Six Sigma Black Belt, successfully leading continuous improvement during his tenure at six plants across the United States and Europe. In February, 2016, Timothy was promoted to CEO of CoorsTek Inc.

Timothy holds a Bachelor’s degree in Chemical Engineering and Petroleum Refining from Colorado School of Mines, and a Master of Business Administration degree from Regis University. He and his wife Jennifer reside with their six children in Colorado.

Mary Gritzmacher

Mary Gritzmacher, Corporate Vice President, General Counsel & Secretary


Mary Gritzmacher joined CoorsTek in March 2014 and has held positions in both the U.S. and for CoorsTek GmbH in Lauf, Germany, where she developed the Legal team’s presence in that region. Prior to joining CoorsTek Mary held roles as in-house counsel at Orica Mining Services and as a real estate, business, and finance attorney at various international law firms. Mary earned a law degree from Case Western Reserve University, School of Law in Cleveland, Ohio, and bachelor’s degrees in accounting and government at Augustana College in Sioux Falls, South Dakota.   


Andrew Filson


Andy Filson joined CoorsTek in 2017 as Chief Operations Officer. Prior to joining CoorsTek, Andy served in numerous operational leadership roles at Corning, a market leader in specialty glass and optics. At Corning, Andy lead multiple global business units, most recently serving as Vice President Operations/Supply Chain of Corning Specialty Materials.

Andy has a Bachelor's degree in Industrial Engineering from Rensselaer Polytechnic Institute and an MBA from Syracuse University.


Irma Lockridge


Irma Lockridge joined CoorsTek in 2016. Prior to CoorsTek, Irma served as senior vice president of human resources in several businesses including Newell Rubbermaid, Western Union, TeleTech, and Colorado Casualty/Liberty Mutual Insurance. Additionally, she has held several human resources leadership positions with Archstone and Accenture. 

Irma holds a Bachelor's degree in Management from the Wharton Business School at the University of Pennsylvania.


Randel Mercer, CoorsTek Chief Technology Officer


Randel Mercer joined CoorsTek in 1999 and has held a variety of global positions in general management, technology, and business development. Prior to CoorsTek, Randel served as marketing & product manager at Morgan Technical Ceramics, in addition to roles at Halma and Lawrence Berkeley National Laboratory. 

Randel has a Bachelor's degree in Materials Science and a Bachelor's degree in Mechanical Engineering from the University of California, Berkeley. Additionally, he has a Master’s degree in Materials from the University of California, San Diego, and an MBA from Santa Clara University.

patricia m. mishic O'brien

Patty Mishic


Patty Mishic O'Brien joined CoorsTek in 2017 as its Chief Commercial Officer. Prior to joining CoorsTek, Patty served as Chief Marketing Officer and Executive Vice President of A. Schulman, Inc., a leading international supplier of high-performance plastics compounds and resins. Patty has extensive business management and new business development experience. Previously, she spent more than a dozen years in global sales and marketing positions at The Dow Chemical Company, where her responsibilities included the leadership of two global new business start-ups.

Patty holds a Bachelor’s degree in Industrial Marketing from Youngstown State University and an MBA from The University of Akron.

Jay Voncannon

Jay Voncannon, CoorsTek Chief Financial Officer


Jay Voncannon serves as the chief financial officer of CoorsTek, Inc. Jay brings more than 20 years of financial leadership, vision, and experience. Prior to joining CoorsTek, he served as the chief financial officer for Koch Equity Development, the investment and acquisition subsidiary of Koch Industries, Inc., with annual revenues of more than $100 billion.

Jay is responsible for directing and evaluating the global fiscal functions, financial planning process, and financial performance of CoorsTek. He aids in creating the long term strategic direction for the company and helps drive effective decision making.

Jay holds a bachelor’s degree in accounting from Baylor University, and is a Chartered Global Management Accountant, Certified Public Accountant, and member of the AICPA.

He believes our vision to make the world measurably better is done through the many products we develop – the value our customers place on our products is a measure of the value CoorsTek creates in society.


Compare 0 materials

You can compare up to 5 materials