Thomas Clark, PhDThomas Clark, PhD, President of CommuniSkills and Professor of Management at Xavier University, has been a writing and oral communication consultant for a wide variety of businesses including Procter & Gamble, “the business writing capital of the world,” where he has led over 300 business communication workshops.  He has also taught workshops for other Fortune 500 companies, including General Electric, Microsoft, Nestle, AK Steel, General Cable and Kellogg. He has published three books on business communication and one on career strategies. He has been honored with two Teacher of the Year awards at Xavier, and The US Small Business Administration has recognized him with three national awards for teaching excellence in the field of entrepreneurship. He earned his doctorate at Indiana University and is certified as an instructor in both Crucial Conversations and Crucial Accountability.

The Great Communicator, Tom Clark – Xavier Magazine (pdf)

Power Communication 

Career Strategies

Richard Zaunbrecher, BChE, MBARichard Zaunbrecher, BSChE, MBA, Vice President and Director of CommuniSkills’ Boston office has a diverse background that allows him to understand and give constructive feedback on a broad range of business communication issues. He first learned sound business communication principles at Procter & Gamble, the business communication capital of the world. He has worked with CommuniSkills for 25 years and has taught both oral and written communication skills to a variety of businesses including Microsoft, Safeway, P&G dos Brazil, Gillette, AliCorp, Credit Suisse First Boston, Coca-Cola, Citibank, Viacom, Clorox, KPMG, General Electric, Union Central Insurance, Clarica,  Allstate, and Prudential Insurance.


Marilyn K. Clark, MAMarilyn K. Clark, MA, Vice President of CommuniSkills develops and teaches classes for business clients such as Procter & Gamble and General Cable, and non-profit organizations such as The Girl Scouts. Her work has been published in several newspapers, magazines and journals.  As a free-lance editor, she has edited numerous books, articles and scripts. In addition, she is an adjunct faculty member of the English Department at Xavier University and has also taught in Xavier’s MBA program.  Her play, Mrs. Cratchit’s Christmas, premiered at the Sharonville Children’s Theater in December 2016.

Julie Stewart, MA

Julie Stewart, PhDteaches Management Communications classes at Xavier University, University of Cincinnati, Southern New Hampshire State University and the Christ College of Nursing. She previously worked as a district executive for the Boy Scouts of America and has conducted training at Procter & Gamble and TriHealth.



Brian Clark Communiskills picture (2)

Brian Clark, MBASSBB, Executive Vice President, Operations Clark earned an MBA from Xavier University in 2009 and a Six Sigma Black Belt in 2014.  He currently teaches Business Communication in the Farmer School of Business at Miami University.  He has conducted communication skills training for Procter & Gamble, AK Steel, Hixson Architecture and General Electric employees. He has also provided Operations, LEAN Six Sigma, and Process Improvement consulting with TriHealth, VITAS, and CommuniSkills.


Jeffrey Stewart

Jeffrey Stewart, MBA, MS-IS, Technology and Digital Management. Jeffrey has experience in both the for-profit and non-profit sectors at providing custom technology and web solutions.  His complete solutions focus on strategies that match your organizations goals and integrate with existing capabilities to create a custom, affordable and effective answer to your organization’s challenges on the web, with modern social networks or with planning, selecting and implementing new technologies.




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