Dave Gregg, Purchasing Manager

Dave joined Iowa-Des Moines Supply in 1975 as a warehouse worker but soon was promoted to Warehouse Manager before becoming Purchasing Manager in 1978.

In addition to the day to day purchasing and maintaining over 5,000 items in inventory, Dave’s department is responsible for negotiating with our suppliers and evaluating potential vendors and new products. Dave works closely with our Account Managers in sourcing products to meet the needs of our customers. The Purchasing Department also deals directly with our general contractor customers involving Division 10 specialty products.

Dave attended Grand View University.

Email contact:  [email protected]

Russ Flug, Special Markets Manager

Russ oversees the laundry and dishwashing programs, coffee/tea programs, floor care equipment, and the service staff. Russ supports our Account Managers and customers with his expertise in these Special Markets.

Russ joined Iowa-Des Moines Supply in 2011. Russ previously served as an Institutional Group Territory Manager at UNX, Inc. At UNX, he was responsible for selling, installing, maintaining, and trouble-shooting laundry and dishwashing systems across Iowa and three bordering states. Previously, Russ served as the General Manager of Operations with Crown Cleaners and Reed Cleaners.

Russ is a graduate of Iowa State University. In 2015, Russ successfully completed the 119th Boston Marathon.

Email contact:  [email protected]

William Weidmaier, Chairman of the Board

Bill purchased Iowa-Des Moines Supply in 1996. Bill previously was the president of The Boyt Company, a domestic manufacturer of high-end luggage, business cases, and gun cases. Bill joined Boyt in 1983 as Vice President-Sales and Marketing. Prior to Boyt, Bill was in sales with Tension Envelope Corporation for ten years. He graduated from Grand View University with an Associate Degree, and Drake University with a B.S. degree in Business Administration.

Email contact:  [email protected]


Jill Roling, General Manager

Jill joined Iowa-Des Moines Supply in 2001. Jill was promoted to General Manager in 2018, prior to this she worked our purchasing department, Jill’s responsibilities include financial administration, office management, human resources, and computer network administration.

Jill graduated from University of Northern Iowa with a B.S. degree in Business Administration.

Email contact:  [email protected]

Todd Weidmaier, Chief Executive Officer

Todd purchased Iowa-Des Moines Supply in 2017 from Bill, Todd joined Iowa-Des Moines Supply in 1996 and was responsible for training and supporting the Account managers and their accounts.  Todd also managed several major accounts.  Prior to Iowa-Des Moines Supply, Todd was in a sales/management position with Golden Valley Supply, and a sales position with WESCO Distribution. Todd graduated from the University of Northern Iowa with a B.S. degree in Business Administration.

Email contact:  [email protected]

Doug Tharp, Warehouse Manager

Doug and his staff are responsible for receiving and warehousing of our products.
Doug also schedules the deliveries to our customers. Doug started at Iowa-Des Moines Supply in 2007. He was previously employed as Vice President-Manufacturing at The Boyt Company, overseeing manufacturing of five facilities. Prior to this, he was employed as Operations Manager with Windsor Windows, and Vice President of Operations for Crestline Windows. Doug attended Graceland University majoring in Business Education.

Email contact:  [email protected]