Members from Indiana

Jared Alsdorf, M.S.
ABG Ag Services
7275 N US 421
Sheridan, IN 46069
United States
Mobile Phone: 317.695.6097
E-mail Address:
Crops: Midwestern Crops: corn, soybeans, wheat, specialty
Services: Full range of contract research (GLP, Aphis, Efficacy) and consulting services. Farms in Indiana and South Dakota

Ryan Dierking, PhD
3641 Braddock Dr.
United States
Office Phone: 765.429.7198
Mobile Phone: 765.429.7198
E-mail Address:
Crops: corn, soybean, wheat and forages
Services: None. I work with contract researchers for our company's research trials

Bruce Fulling, Ph.D.
Heartland Technologies Inc.
12491 East 126th Street
Fishers, IN 46038
United States
Office Phone: 317.776.0034
Fax: 317.773.5661
E-mail Address:
Field: Plant Pathology
Services: Contract Reserach-Field Investigator, efficacy programs, Field Pro software.

Val Gartner
Dow AgroSciences
9330 Zionsville Road
Indianapolis, IN 46268
United States
Office Phone: 317-337-4920
E-mail Address:

Paul Gordon, B.S. CCA, CPCC-I
Gordon Ag Group, Inc.
P.O. Box 25
Bentonville, IN 47322
United States
Office Phone: 800.659.7645
Fax: 765.478.9073
Home Phone: 765.478.4298
Mobile Phone: 765.969.2277
E-mail Address:
Field: General Agriculture
Crops: Corn, soybeans, wheat, alfalfa, oats, barley, canola, turfgrasses.
Services: Soil balance and fertility, input cost analysis, GPS mapping and sampling, waste management for manures and organic residuals, environmental consulting, contract research, Technical Service Provider.

Brandon Kessler, M.S. CPCC-R, CCA
Gordon Ag Group, Inc.
128 E. Main, P.O. Box 1046
Morristown, IN 46161
United States
Office Phone: 765.818.1758
Fax: 765.818.1759
Mobile Phone: 317.753.9665
E-mail Address:
Field: Agronomy
Crops: Corn, soybeans, wheat, alfalfa, grain sorghum, oats, barley, vegetables, pastures.
Services: Contract Research including GLP, APHIS, Efficacy, Soil Dissipation trials. Soil balance and fertility,

Ann Kline, M.S. IN CCA 33851
Scientific & Regulatory Consultants, Inc.
201 W Van Buren St.
Columbia City, IN 46725
United States
Office Phone: 260.244.6270
Home Phone: 260.625.4027
E-mail Address:

Fritz Koppatschek, Ph.D. CCA
ABG AG Services
7275 N US 421
Sheridan, IN 46069
United States
Office Phone: 317.431.3295
Mobile Phone: 317.431.3295
E-mail Address:
Field: Agronomy
Crops: Midwestern crops: corn, soybeans, wheat, specialty.
Services: Full range of contract research (GLP, Aphis, Efficacy) and consulting services. Farms in Indiana and South Dakota. Additional address: 19636 475th Ave., Toronto, SD 57268

Wayne A. Olson, Ph.D.
Heartland Technologies, Inc.
12491 East 136th Street
Fishers, IN 46038
United States
Office Phone: 317.776.0034
Fax: 317.773.5661
Mobile Phone: 317.796.3249
E-mail Address:
Field: Agronomy
Crops: All Midwest crops
Services: Contract research, Fieldpro Bio-Data research software.

Christopher Rees, Masters
Tecnoseeds R&D, Inc.
4846 E 450 N
Lafayette, IN 47905
United States
Office Phone: 765.589.3123
Home Phone: 402.710.1022
Mobile Phone: 402.710.1022
E-mail Address:

David Ricke
David Ricke Consulting Services
601 East Hendricks St
Greensburg, IN 47240
United States
Office Phone: 812.525.4596
Fax: 812.663.6604
Mobile Phone: 812.525.4596
E-mail Address:
Crops: Corn, Soybeans, Wheat, Alfalfa, Range Management
Services: Crop Consulting, Nutrient/Waste Management Plans, Crisis Management

Jonathan Rollins
Impact Ag Services
2842 S 825W
Lapel, IN 46051
United States
Office Phone: 317.678.0998
Mobile Phone: 317.502.5812
E-mail Address:
Field: Contract Researcher / Agronomy
Crops: All crops grown in the Midwest
Services: President/Owner IMPACT Ag Services Contract Research facility specializing in Efficacy trails

Stephen Roswarski, BA - Advertising, minors in Psychology and English
Spensa Technologies
1281 Win Hentschel Blvd.
West Lafayette, IN 47906
United States
Office Phone: 765.588.3592
Fax: 765.463.3501
Mobile Phone: 765.714.2022
E-mail Address:

Ariane Schafer, Biology Protein
511 Beals st
carmel, IN 46032
United States
Office Phone: 317.467.2745
Home Phone: ___.___.____ x_____
Mobile Phone: 317.315.0470
E-mail Address:

Brian Stark
P.O. Box 250
Hamilton, IN 46742
United States
Office Phone: 260.488.4781
Fax: 260.488.3737
E-mail Address:
Services: Positioning-centric information is changing the way people, businesses and governments work throughout the world. By applying Trimble's advanced positioning solutions, productivity increases and safety improvements are being realized. Though best known for GPS technology, Trimble integrates a wide range of positioning technologies including GPS, laser, optical and inertial technologies with application software, wireless communications, and services to provide complete commercial solutions. Its integrated solutions allow customers to collect, manage and analyze complex information faster and easier, making them more productive, efficient and profitable. Trimble products are used in over 150 countries around the world. Employees in more than 35 countries, coupled with a highly capable network of dealers and distribution partners serve and support our customers. For over 38 years, Trimble has created unique positioning products that help customers grow their business. Our portfolio includes over 1,200 patents and serves as the basis for the broadest positioning offerings in the industry. Trimble augments its organic product development with strategic acquisitions to bring the latest positioning technologies to a wider market.

Mark J. Tumey, B.S.
Encore Innovations, LLC
149 Overland Ct
Noblesville, IN 46060
United States
Office Phone: 317.509.6884
Fax: 215.559.6681
Mobile Phone: 317.509.6884
E-mail Address:
Field: Chemistry
Crops: Diversified and experienced Quality Assurance professional with proven success in managing people and systems involving Good Lab Practices (GLP) Regulations, GMP’s and product stewardship. Other experiences include sales, purchasing, HR and research & development.
Services: Auditing/Training/Consulting: EPA GLPs QA Procedures / Systems Six Sigma Certification Management / Leadership FDA GLPs Quality Standards RQAP – GLP Certified Global Manufacturing Processes OECD GLPs Product Integrity Standards Audits / Audit Resources Manufacturing SOPs GMP GCP Training EH&S Standards Human Resources Regulatory Compliance Recruiting Ag Chem / Animal Health/Biotechnology

Randall Warden, M.S. CPAg, SSc, CCA
A & L Great Lakes Laboratories, Inc.
3505 Conestoga Drive
Fort Wayne, IN 46808
United States
Office Phone: 260.483.4759
Fax: 260.483.5274
Mobile Phone: 260.402.3333
E-mail Address:
Field: Soil Chemistry
Crops: Corn, soybeans, small grain, forages, vegetables, tree fruit, small fruit.
Services: Laboratory analysis of soil, plant, fertilizer, manure, compost, animal feedstuff, water. Interpretations and recommendations of laboratory analyses. Computer applications in agriculture and business management. Website: