| 2017-2019 | Chick-fil-A Strategic Advisory Board |
| 2017-2019 | Am Heart Assoc Heathier Diet Business Committee |
| 2016-2018 | Bush’s Beans Consultant |
| 2017-2018 | Sugarwise US Chair |
| 2017-2018 | Del Monte Foods, Inc. Consultant |
| 2015-2017 | American Heart Association Eat Well Task Force Advisory Panel |
| 2015-2017 | Tree Top Growers Consultant (Tree Top Apples) |
| 2012-2016 | Davidson's Safest Choice Eggs Consultant |
| 2010-2015 | Member of the Scientific Nutrition Research Panel
California Raisin Marketing Board, Fresno CA |
| 2009-2020 | Sun-Maid Raisins, Fresno, CA |
| 2009-2018 | National Dairy Council Consultant |
| 2008-2014 | Paramount Farms Scientific Advisory Board, Los Angeles, CA |
| 2008-2011 | Disney College Program Advisory Board, Orlando FL |
| 2007-2009 | White Wave Scientific Advisory Board - Soy Silk, Denver, CO |
| 2003-2005 | Circle Group Inc. Scientific Advisory Board, Mundelein, IL |
| 2001-2003 | Member of the Board of Directors
Buffalo Ridge Hospitality and Retreat Center, Ottowa, KS |
| 2001-2002 | Standard Process Inc., Palmyra, WI |
| 1999-2000 | Warner Lambert, Morristown, NJ |
| 1996-2000 | Southern Cooking and Catering Company, Urbana, IL |
| 1996-2000 | Geriatric Consultants & Care Managers, Champaign, IL |
| 1998-1999 | Cookies by Design, Springfield, IL |
| 1993-1994 | Decatur Park District, Decatur, IL |
| 1986-1990 | Marriott Corporation, Tulsa, OK |
| 1981 | Hospital Affiliates International, Durant, OK |
