Theodore Ziemann
Chairman and Chief Executive Officer  

Mr. Ziemann is Chairman of the Board of Armis Biopharma, Inc. He also served as Chief Executive Officer from March 2018 through June 2024. He has served as Chairman of the Board of Directors of Armis and predecessor companies, Chata and CHD Bioscience since March 2000. He previously served as Chairman and Chief Executive Officer from August 2007 through November 2012. Mr. Ziemann has over 50 years of experience in the life science industry, leading large geographically disbursed teams across multiple disciplines, including general management, marketing, manufacturing and engineering in North and South America, Europe, and Asia. Mr. Ziemann served as President of the Health and Food Technologies business of Cargill, Inc., from May 2000 through May 2006, and served on the leadership team of the North American Food Sector. From 1990 to 1999, he led various global multifunctional divisions for Rhone-Poulenc, SA, the French life science and chemical company, where he served as Sr. Executive Vice President of the global Plant and Animal Health Sector from 1998 to 1999 (Acquired by Bayer AG (FWB: BAYN) and Sanofi SA (SNY)); President of Rhone-Poulenc Ag Company from 1996 to 1998; President of the global Fine Chemical Division from 1993 to 1996. (Acquired by Solvay SA (Euronext: SOLB)); and Sr. Vice President of Manufacturing, Engineering, Safety and Quality Management for North America from 1990 to 1993. During his general management roles as division presidents, he also served as head of manufacturing, technology, quality management, and safety environment and health for two $5 billion sectors (1995 dollars) with oversite for 126 plant sites in several countries. He also served as a member of Rhone-Poulenc’s Senior Corporate Technology Council from 1990 to 1999. Mr. Ziemann led various global director level positions including Director of Manufacturing (including biotech), Director of Small Grains and Specialty Crops Marketing, and Director of Engineering for Monsanto Company (Acquired by Bayer AG) from 1970 to 1990.

He has served on numerous volunteer boards and leadership roles for the United Way, American Cancer Society, Iowa State University Advisory Committee and currently, the Board of the American and Foreign and Christian Union, where he previously served as President.

He also served on industry boards including the Consumer Health Products Association, and the Council for Responsible Nutrition. Ziemann received a B.S. in chemical engineering from Iowa State University and an M.B.A. from the University of Iowa. He also completed Rhone-Poulenc’s Sr. Management development program in concert with INSEAD. (Fontainebleau, France).

Mr. Ziemann is married to Betty (Reed) Ziemann and they have 3 children and 6 grandchildren.