Calcium Products - Meet the Experts

Meet the Experts

Here at Calcium Products, we take our products - and your soil - seriously. From our highly experienced executive team to our knowledgeable sales associates to our helpful facilities and administrative staff, we are committed to knowing the business and science of soil fertility. Follow the links below and get to know the people who are ready to help you raise your bottom line.

  1. Executive Team
  2. Sales Team
  • Mike Hogan, President & CEO

    Mike Hogan, President & CEO

    Mike started as the President and CEO of Calcium Products in 2013. Prior to this role, he spent 24 years with John Deere holding positions in engineering, operations, and business. Mike most recently lead John Deere’s North American utility tractor business in Augusta, Georgia. He also spent three years in the Netherlands leading John Deere’s European sprayer business and helped secure double digit growth by focusing on customers’ agronomic needs. Mike is an Iowa native with experience on his family’s farm. Mike earned an MBA from the University of Chicago in 2002 and a bachelor’s degree in mechanical engineering from Iowa State University in 1989.

  • Brent Van Ee, CFO

    Brent Van Ee, CFO

    Brent joined the Calcium Products team in 2014 bringing with him 19 years of financial experience. Brent recently worked as a controller for Siegwerk and as a financial consultant at Robert Half Management Resources. He spent six years in financial positions of increasing responsibility at Oldcastle, a manufacturer and distributor of building products, leaving in 2012 as the Midwest Region CFO. Brent started his career at Koester Construction Company spending ten years there first as an accountant, then as a systems analyst and finally as the controller. He holds a bachelor’s degree in accounting from Simpson College in Indianola, Iowa. Brent is a native Iowan currently residing in West Des Moines, Iowa.

  • Jeff Thompson, Vice President of Sales & Marketing

    Jeff Thompson, Vice President of Sales & Marketing

    Jeff joined Calcium Products as Vice President of Sales and Marketing in 2015. Prior to Calcium Products, Jeff developed and grew the Iowa sales territory for Specialty Fertilizer Products (SFP), now Verdesian Life Sciences. He spent 10 years at Channel Bio starting as a district sales manager progressing into leadership roles managing all aspects of a sales team – recruiting and coaching people in sales, marketing, customer service and distribution. Jeff started his career at FC Coop, now Landus Cooperative, in Iowa in 1996 as a feed and livestock marketing specialist. Jeff has a bachelor’s degree in agricultural education from Iowa State University and is an active member in his family farm near Winterset, Iowa.

  • Andrew Hoiberg, Ph.D., Vice President of Research & Development

    Andrew Hoiberg, Ph.D., Vice President of Research & Development

    After completing his postdoctoral research at Iowa State University, Andrew started at Calcium Products in 2012 charged to oversee all aspects of the company’s research and product development. Andrew graduated with his Ph.D. in horticulture, specifically turfgrass science, in 2012. Prior to completing his Ph.D., Andrew was the turf manager for Iowa State University for more than a year and was the assistant turf manager for the Denver Broncos for six years. He earned his bachelor’s in landscape horticulture (turfgrass science) from Colorado State University in 2001. Andrew is an Iowa native and currently lives in Ames, Iowa.

  • Mikel Scholten, Territory Sales Manager | South Dakota | North Dakota | Minnesota

    Mikel Scholten, Territory Sales Manager | South Dakota | North Dakota | Minnesota

    Mikel Scholten joined the Calcium Products team in 2017 and is responsible for North Dakota, South Dakota, and Minnesota. Mikel has worked in the sales industry for 15 years, with experience ranging from the medical field to the agriculture industry. Most recently, she has specialized in sales and support of inoculants and in-furrow seed treatments for Rosen’s Diversified Inc. Mikel graduated from Northern State University in 1999 with a degree in biology and with minors in chemistry and psychology. In 2003, she received her Master of Business Administration and a Masters of Management from the University of Mary. Mikel grew up on a diversified crop and livestock farm in South Dakota and she currently resides in Sioux Falls, South Dakota.

  • Glen Howell, Territory Sales Manager | Nebraska | Missouri

    Glen Howell, Territory Sales Manager | Nebraska | Missouri

    Glen started with Calcium Products in 2008 bringing with him a wealth of experience and knowledge in row-crop production. Glen farmed for more than 10 years until 2004 while also selling and servicing ag and construction GPS equipment for 3 ½ years. Concurrently, he served as an Engineer Officer in the U.S. Army Reserve and Iowa Army National Guard from 1993 until 2004. Prior to joining the Calcium Products team, Glen worked in ag retail for almost five years as a sales agronomist, location manager and agronomy manager. Glen holds two degrees in agronomy and crop science; he graduated from Iowa State University with his bachelor’s in 1993 and completed his master’s in 2013. He is also a Certified Crop Advisor (CCA).

  • Paul Cushing, Territory Sales Manager | Turf and Agriculture, Western U.S.

    Paul Cushing, Territory Sales Manager | Turf and Agriculture, Western U.S.

    Paul came on board at Calcium Products in 2016 after an extensive 27-year career in turf management. In addition to his responsibilities for Calcium Products sales in the professional turf industry, Paul is an independent agronomic consultant for golf courses and sports turf. Most recently, Paul worked for more than five years as the Assistant Deputy Director of Golf Course Operations for the City of San Diego managing a 98-person staff and five golf courses, including Torrey Pines, the annual home of the PGA Tour’s Farmers Insurance Open. Paul spent two years away from the golf course as the Regional Operations Manager for ValleyCrest Companies, overseeing the maintenance of more than 100 commercial landscape accounts, including Disneyland Park and Resort, Angel Stadium and the Richard Nixon Library. Paul spent the first half of his career as a Director of Golf Course Construction and Maintenance Operations at several California and Nevada golf courses, four of which are ranked in the top-100 courses in America. He has a bachelor’s degree in ornamental horticulture from California Polytechnic State University-San Luis Obispo and is proficient in Spanish as a second language. Paul lives in San Diego, California.

  • Becky Heck : Territory Sales Manager | Wisconsin

    Becky Heck : Territory Sales Manager | Wisconsin

    Becky came on board at Calcium Products in 2014 and is responsible for the Wisconsin sales territory. She came to Calcium Products from DuPont Crop Protection where she worked as a technical sales agronomist. Prior to Becky’s role at DuPont, she worked for BASF in new product development, placing on-farm trials and collecting data. Becky started her career and spent 13 years with Agrilliance, now called WinField Solutions, managing a service center in northwest Wisconsin. Becky graduated from the University of Wisconsin-Platteville in 1992 with a bachelor’s degree in soil and crop science. She was raised on a Wisconsin dairy farm and currently lives in Mineral Point, Wisconsin.

  • Jeff Hoemann, Territory Sales Manager | Iowa

    Jeff Hoemann, Territory Sales Manager | Iowa

    Jeff joined Calcium Products in 2012 with an extensive history in agricultural sales including fertilizer, seed and equipment. Most recently, Jeff worked as a district sales manager in Iowa for Nachurs-Alpine Solutions, an industry leader in nitrogen, phosphorus and potassium liquid fertilizer. Jeff started his career and spent 17 years with American Cyanamid Co. contributing to the company’s aggressive growth in crop protection products. Jeff graduated from Iowa State University in 1981 with a bachelor’s degree in agricultural business. He was raised on a farm in western Iowa and currently lives in Des Moines, Iowa.

  • John Krueger, Territory Sales Manager | Illinois

    John Krueger, Territory Sales Manager | Illinois

    John started with Calcium Products in 2014 and is responsible for the company’s sales in the state of Illinois. John has a wide array of experiences in ag sales and operations. He joined Calcium Products after working for various agriculture retail businesses selling crop production inputs and crop insurance. John spent the first 29 years of his career with GROWMARK member companies as a crop specialist and sales and marketing manager. He grew up on a dairy farm in southern Wisconsin and graduated with his bachelor’s degree in ag business from the University of Wisconsin-Platteville. He currently lives in Okawville, Illinois.

  • Brian Milam, Territory Sales Manager | Turf, Eastern U.S.

    Brian Milam, Territory Sales Manager | Turf, Eastern U.S.

    Brian joined the Calcium Products team in 2009 charged with growing the company’s professional turf business. Prior to starting with Calcium Products, Brian was a golf professional for the first 11 years of his career. Most recently, he worked for two years as a store manager and director of instruction at GolfTEC. The first nine years of his career was with Kohler Company working as a golf professional at Blackwolf Run and Whistling Straits in Wisconsin. While with Kohler, Brian contributed to the successful execution of the 1998 U.S. Women’s Open, the 2001 PGA Club Professional Championship and the 2004 PGA Championship. Brian graduated with two bachelor’s degrees, professional golf management and marketing, from Mississippi State University in 1998.