Name Position Phone Email Licenses / Accreditation
A.J. VanVickle IT Manager 320-441-5546 [email protected]
Abby Ahrendt Administrative Assistant 320.441.5540 [email protected]
Amanda Jewell Senior Auditor 320-441-5606 [email protected] CPA, ISO 9001, LCFS, Lean Practitioner, Lean Six Sigma green belt, OR CFP
Andrew Marsh Compliance Auditor 320-441-5520 [email protected]
Andy Pirrotta Payroll Specialist/Staff Accountant 320-441-5537 [email protected]
Angela Nave Senior Accountant 320-441-5526 [email protected]
Bradley Pederson Partner 320-235-5937 [email protected] CPA
Brian Orsten Senior Accountant 320.441.5513 [email protected]
Brooke Fischer Project Coordinator 320-441-5605 [email protected]
Chelsey Mueller Manager 320-441-5527 [email protected]tiansoncpa.com CPA
Christina Boike Manager 320-441-5532 [email protected] CPA
Connie Lindstrom Biofuels Benchmarking Analyst 320-441-5516 [email protected]
Debbie Sackuvich Senior Consultant 320.441.5602 [email protected]
Dustin Kotrba Partner 320-441-5553 [email protected] CPA
Emily Summers Marketing Specialist 320-441-5512 [email protected]
Eric Timon Compliance Auditor 320.441.5635 [email protected]
Gabe Williams Supervisor 320-441-5625 [email protected] CPA
James Gades Finance Manager 320-441-5528 [email protected]
Jamey Cline Business Development Director 573-680-6499 [email protected]
Jean Raatz Central Coordinator 320-441-5548 [email protected]
Jen Engel Human Resources 320-441-5502 [email protected]
Joan Strong Senior Outsourcing Specialist (815) 541-1900 [email protected]
Joel Gratz Managing Partner 320-235-5937 [email protected] CPA
John Christianson Director 320-235-5937 [email protected] CPA
John Patock Financial Consultant 320-441-5619 [email protected] Certified Long Term Care (CLTC), Chartered Financial Consultant (ChFC)
Jon Skindelien Senior Accountant 320-441-5544 [email protected]
Joshua Erickson Software Developer / Network Admin 320-441-5514 [email protected]
Kara Sonstelie Staff Accountant 320-235-5937 [email protected]
Kari Buttenhoff Partner 320-441-5515 [email protected] CPA, ISCC, LCFS, MRR, OR CFP
Karla Olinger Payroll Specialist / Staff Accountant 320-441-5518 [email protected]
Karlee Kern Staff Accountant 320.235.5937 [email protected]
Kathryn Mueller Manager 320-441-5511 [email protected] CPA
Kathy Koepp Manager 320-373-1043 [email protected] ABA, EA
Keith Cooreman Manager 320-441-5604 [email protected] CPA, GCMA
Kresson Gruthusen Administrative Assistant 320-235-5937 [email protected]
Kyle Sonstelie Supervisor 320-441-5530 [email protected] EA
Lindsay Kranz Manager 320-441-5614 [email protected] CPA
Lindsey Fischer Senior Payroll Specialist 320-441-5638 [email protected]
Lisa Christensen Senior Data Analyst 320.235.5937 [email protected]
Melita Kyriakou Senior Consultant 320-441-5629 [email protected] ISCC, ISO 14001, LCFS, OR CFP
Michael Masterovsky Senior Manager and Team Lead, Agribusiness Consulting Group 320-235-5937 [email protected]
Michelle Larson Supervisor 320-373-1047 [email protected]
Rebecca Johnson Tax Supervisor 320.235.5937 [email protected] CPA
Sandy Holtberg Benchmarking Program Manager 320-441-5549 [email protected]
Sara DeRoo Partner 320-235-5937 [email protected] CPA
Sara Herman Senior Consultant 320-441-5621 [email protected]
Shane Ewy Supervisor 320-441-5627 [email protected] CPA, ISCC, LCFS, OR CFP
Shawn Johnson Senior Accountant (320)441-5632 [email protected]
Stephanie Louis Senior Accounting Specialist 320.441.5545 [email protected]
Taryn Ziesmer Administrative Assistant 320-235-5937 [email protected]
Teresa Carlson Manager 320-441-5503 [email protected] EA
Terri Anderson Payroll Specialist & Staff Accountant 320-373-1045 [email protected]
Toni Bonnema Staff Accountant 320-441-5547 [email protected]
Toni Sing Firm Administrator 320-441-5634 [email protected]
Zach Hauser Supervisor 320-441-5616 [email protected] LCFS, MRR, OR CFP, OR GHG