Generations of family farmers proudly producing pork.

A company is only as good as the people that work there. At Professional Swine Management we have found and developed some of the most capable team members in the country – if not the world. This allows us to function at a higher level – and that level of service translates to some of the highest functioning farms in the nation.

Our senior management team has over 100 years of combined production operation and animal health experience.


Dr. Bill Hollis

Bill Hollis is the President of Professional Swine Management.  Hollis is one of the three original founding members of the company.  He works with shareholder strategy, staff development, and organizational growth.  He leads the senior leadership team.  Hollis also serves as a veterinarian on the board of Carthage Veterinary Service.


Dr Hollis holds a B.S. degree in Animal Science and a D.V.M. degree both from the University of Illinois.

Director of Health

Dr. Dyneah Classen

Dyneah Classen is the Director of Health for the Carthage System.  Dr. Classen began consulting for Professional Swine Management in 2007 as a sow herd veterinarian.  She is currently responsible for managing veterinarians and health protocols for the Carthage System.

Dr. Classen earned a BS degree from University of Illinois College of A.C.E.S. and DVM from University of Illinois College of Veterinary Medicine.

Chief Operating Officer

Ted Ufkes

Ted Ufkes is the Chief Operating Officer for Professional Swine Management. Mr. Ufkes joined PSM in 2013 and is responsible for the strategic direction of the company. His time is focused on the establishment and optimization of the day-to-day activities of Professional Swine Management to ensure future growth.

Mr. Ufkes holds a B.S. degree in Agricultural Economics from the University of Illinois and an MBA from the Ross School of Business at the University of Michigan.

Vice President, Finance

Gary Donley

Gary Donley joined PSM in 2004 after serving the company as an independent advisor for several years providing farm business consulting services. He is currently responsible for the finance and administrative functions of PSM.

Mr. Donley holds a B.S. degree in Agricultural Economics from the University of Illinois.

Director of Production

Shaun McGinn

Shaun McGinn is the Director of Production for Professional Swine Management. Shaun joined PSM in 2019 and leads all aspects of production for the system, including overseeing the production staff for 180,000 sows and 500,000 finishing flow.

Shaun has more than 25 years in hog production. Prior to joining the Carthage System, he spent time with the Smithfield System in both Utah and Iowa, leading their Production and Multiplication. He most recently served as the Operations Manager for a farrow-to-finishing operation in Iowa.

Director of HR

Twyla Stevens

Twyla Stevens joined Professional Swine Management as Director of Human Resources June 2019 responsible for the HR strategy for the company.   She oversees talent acquisition, organizational development, performance management, compensation and benefits, worker’s compensation administration and employment law matters.

Ms. Stevens holds a Business Administration degree from Middle Tennessee State University.