Meet the Team
Executive
Mike Hogan
President & CEO
Mike became 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 led 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.
Mike is an Iowa native with experience on his family’s farm. Mike earned an M.B.A. from the University of Chicago in 2002 and a B.S. in Mechanical Engineering from Iowa State University in 1989. Mike and his family live in Ames, Iowa.
Brent Van Ee
CFO
Brent brought 19 years of financial experience with him when he joined Calcium Products in 2014. Previously, he 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’s career started 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
VP Sales & Marketing
Jeff joined Calcium Products as the 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 ten years at Channel Bio starting first as a district sales manager which led to leadership roles managing all aspects of a sales system including recruitment and coaching of the sales team, 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 Agriculture Education from Iowa State University and is an active member of his family farm near Winterset, Iowa.
Andrew Hoiberg, Ph.D.
VP Research & Development
Andrew joined Calcium Products in 2012 after completing his Ph.D. in Horticulture/Soil Science at Iowa State University. Since joining Calcium Products, Andrew has become a recognized expert in the field of soil pH, liming, and sulfur fertility on row crop production in the Midwest. He oversees all aspects of internal and external research, product improvement and development, consultation, technical sales support and training, and variable rate product integration for dealers.
Prior to graduate school, Andrew served as one of the turf managers for the Denver Broncos at Mile High Stadium. He is a native Iowan and currently resides in Ames, Iowa.
Sales
Jeff Hoemann
Territory Sales Manager | West & Central 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.
Phone: 515-490-5853
Denna Heyer
Territory Sales Manager | Southern Iowa & Key Accounts
Denna joined the Calcium Products team in 2018 and is responsible for key accounts in Iowa. She brings ten years of sales experience to the team, ranging from seed sales to chemical sales. She has also worked at various agriculture companies throughout her professional career, the most recent being DOW AgroSciences as a Mycogen seed sales representative.
Denna graduated from Iowa State University with a bachelor’s degree in Agricultural Business in 2002. She grew up on a farm near Ames, Iowa and currently resides in Johnston, Iowa with her family.
Phone: 515-443-4746
Shelby Eastlund
Territory Sales Manager | Eastern Iowa
Shelby Eastlund joined the Calcium Products team in September 2022 to support sales in Eastern Iowa. She has spent the last ten years with Corteva selling crop protection in parts of Iowa and Missouri.
Shelby graduated from Iowa State University with a degree in Agriculture Studies and a minor in Agronomy. She currently resides with her husband and two-year-old son in Boone, Iowa.
Phone: 712-210-5844
Mark Van Dyke
Territory Sales Manager | South Dakota & North Dakota
Mark Van Dyke joined our team in 2023 as our Territory Sales Manager in South Dakota and North Dakota. He graduated from Iowa State University with a bachelor’s degree in Agronomy. Mark has previously worked for CHS, Centrol Crop Consulting, and Monsanto.
Mark currently resides in Mitchell, South Dakota with his wife and two children. He spends his free time managing his family farm in southwest Minnesota and chasing after his kids.
Phone: 605-999-0700
Dena Resech
Territory Sales Manager | Wisconsin
Dena graduated from the University of Wisconsin-River Falls with a bachelor’s degree in Horticulture in 2009. Dena is bringing 12 years of agronomy experience to our team with strengths in agronomy sales and independent crop consulting. She has worked at various agriculture companies throughout her professional career, the most recent ones being Synergy Cooperative and Crop IMS (A division of Growmark FS). In her free time, she enjoys hanging out with her family and spending time sailing.
Dena grew up on an organic dairy farm near Baldwin, Wisconsin and currently resides in Glenwood City, Wisconsin with her husband and two children.
Phone: 715-977-7465
Brett Meador
Territory Sales Manager | Illinois
Brett Meador currently lives in Lanark, Illinois and joined our team as our new Northern Illinois Territory Sales Manager in 2023. Brett graduated from Iowa State University with a bachelor’s degree in Agronomy. He previously worked as a precision agriculture and crop specialist.
In his free time, Brett enjoys hunting, farming, and cheering on the Iowa State Cyclones.
Phone: 815-541-4589
Evan Kock
Territory Sales Manager | Nebraska
Evan started with Calcium products in March of 2024. He has an Agriculture business degree from Iowa State University. Evan has spent time working for Helena, Pattern Ag, and most recently Verdesian Life Sciences.
In his free time, Evan likes to spend time farming, watching sports, or hanging out with his friends and family. Evan, his wife, and two kids currently reside in Gretna, Nebraska.
Phone: 402-490-2677
Scott Schmalken
Territory Sales Manager | South Nebraska & Kansas
We welcomed Scott to our team in 2023 as an additional territory sales manager in Nebraska while expanding our territory into Kansas. Scott has spent the last few years as an agronomist for Midwest Hop Producers.
Scott graduated from the University of Nebraska – Lincoln with a bachelor’s degree in science in Agronomy. He was also involved in Nebraska’s LEAD class 38. Scott currently resides in Plattsmouth, Nebraska.
Phone: 402-560-5157
Seth Kveno
Territory Sales Manager | Minnesota & Canada
Seth Kveno is coming to Calcium Products with many years of experience in the seed industry. He has joined our sales team as an additional Territory Sales Manager in Minnesota. Seth graduated from NDSU with a bachelors degree in in crop and weed sciences and a bachelors degree in plant protection.
In his free time, Seth likes to watch his kids compete in their various activities, hunt and do a little farming. Seth currently resides in New Ulm, Minnesota.
Phone: 507-381-9837
Jordan Suhr
Territory Sales Manager | Eastern Minnesota
Jordan started with Calcium products in September of 2024. He has an Animal Science degree from the University of Wisconsin-River Falls. Jordan brings a strong agronomy background with his experience in ag sales. Prior to joining our team, Jordan worked at Alcivia Cooperative (Formerly Countryside).
In his free time, Jordan likes to spend time farming both the beef cattle and crops, spending time with family, golf, and whitetail bow hunting.
Phone: 507-450-6940
Alex Brock
Territory Sales Manager | Missouri
Alex Brock joined our sales team in 2023, covering Missouri. He has spent the last few years as an account manager for Farmers Edge.
Alex graduated from the University of Central Missouri in 2016 with a bachelor’s degree in crop and soil science. He currently resides in Bogard, Missouri.
Phone: 816-830-6310
Turf Sales
Alex Branderhorst
Territory Sales Manager | Professional Turf
Alex joined our sales team as an additional Professional Turf Sales Manager in June. He previously worked for Key Cooperative as an agronomist and decided to start a new journey in the turf industry. As an agronomist for Key, Alex is familiar with both 98G and SO4. He graduated from Iowa State University with a Bachelor of Science degree.
In his free time, Alex spends time golfing, hunting and fishing. Alex currently resides in Knoxville, Iowa with his wife.
Phone: 641-820-0487
Agronomists
Glen Howell
Technical Sales Agronomist
Glen started with Calcium Products in 2008, bringing with him a wealth of experience and knowledge in row crop production. He supports customers across our sales territories providing agronomic consultation and technical product training. Prior to becoming a part of the Calcium Products team, Glen worked in ag retail for about five years as a sales agronomist, location manager, and agronomy manager.
Glen holds two degrees in Agronomy. 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 Adviser (CCA) and Certified Professional Agronomist (CPAg).
Josh Enderson
Technical Sales Agronomist
Josh joined our technical sales team in June of 2024. He graduated from Iowa State University with a Bachelor of Agronomy and Seed Science in 2012 and went on to receive his Masters of Soil Science in 2014. Josh is also a Certified Crop Advisor. Previously, Josh has worked in the seed industry for 10 years under the Mycogen and Brevant brands.
In his free time, Josh spends time farming, cheering on the Cyclones and coaching his children’s sporting events. Josh currently resides in Kensett, Iowa with his wife and three children.
Marketing
Lacey Alliger
Marketing Communications Coordinator
Lacey joined the Calcium Products team as a sales and marketing intern in 2017. Upon graduating from Iowa State University in 2017 with a degree in Agricultural Communications, Lacey was hired on full-time.
She grew up on a farm in central Iowa and now farms with her husband near Gowrie, Iowa.
Jordan Franken
Marketing Communications Coordinator
Jordan grew up in Northeast Iowa outside of Waverly at her family farm. She completed her Bachelor of Science in Business Administration with a finance emphasis at Upper Iowa University as well as a Bachelor of Arts in Graphic Design. She worked in accounting for a short time and then transitioned into marketing where her past experience was at a Ford Dealership and in Land Real Estate Sales/Marketing. She currently resides in Strawberry Point, Iowa with her boyfriend, Blake. In her free time, she enjoys golfing, fishing, boating, concerts and coaching/officiating volleyball.
Phone: 319-231-3026
Customer Service Team
Laurie Thompson
Sales Entry Coordinator
Laurie joined the Calcium Products team in 2022. She graduated from DMACC and Northwest Missouri State and works out of the Ames office on order entry and billing. Laurie currently lives in Story City, Iowa and enjoys spending time with her family and cheering on the Iowa State Cyclones.
Patty Smith
Logistics Coordinator
Patty has been with Calcium Products since 2022. She graduated from William Penn University and has taken over as our logistics coordinator. Patty can be found sourcing trucks and rail cars out of the office in Ames. In her free Patty enjoys going off-roading with Jeeps, crafting, and visiting wineries. Patty currently resides in Ames, Iowa.
Join the Calcium Products Team
Do you have skills and experience that you think would be a good addition to our team?