About Us

INNOVATIVE . PROFESSIONAL . INTEGRITY

Innovative Ag provides the highest value of professional services to the agriculture industry with uncompromising integrity. Our commitment to this mission is demonstrated by a very loyal clientele and an outstanding reputation in the industry.

Barley Fields

Our Story

Innovative Ag Services, LLC (IAS) provides the highest value of professional services to the agriculture industry with uncompromising integrity. IAS was founded in 2007 by Nathan Heeringa, to address complex agronomic and regulatory challenges faced by producers and processing facilities in California’s San Joaquin Valley. Our team of  agriculture professionals offers over 100 years of diverse knowledge and experience in the agricultural field, and serve hundreds of clients from Kern to San Joaquin County.


Our experienced team of agronomists, farm management consultants, environmental permitting, GIS, and government funding specialists are ready to provide professional services for a wide variety of agricultural operations.

Meet The Team

Nathan Heeringa

Nathan Heeringa, Principle Agronomist

Alex Prins

Alex Prins, Account Representative

Angelique Rocha

Angelique Rocha, Government Funding & Air Quality Specialist

Autumn DeHore

Autumn DeHore, Dairy Compliance Manager

Carol Montgomery

Carol Montgomery, Accounting Specialist

Dennis Tristao

Dennis Tristao, Senior Advisor

Diana Gary

Diana Gary, Irrigated Lands Compliance Manager

Dixie Lobmeyer

Dixie Lobmeyer, Executive Assistant & County Projects Manager

Frankie Cardoza

Frankie Cardoza, Account Manager

Harol Gonzalez Gallardo

Harol Gonzalez Gallardo, Agronomist & TSP

Henry Schriemer

Henry Schriemer, Compliance Technician

Ian Vietti

Ian Vietti, Government Funding Manager

Jeana Hale

Special Projects and Government Funding Assistant

Kaylene Smith

Administrative Assistant

Kelly Verdegaal

Kelly Verdegaal, Marketing Manager & Public Relations

Kristi Fikkert

Kristi Fikkert, Database Management

Lauren Huff

GIS Mapping and Air Quality Specialist

Linda Skaggs

Accounting Specialist

Mallory DeHoog

Mallory DeHoog, Irrigated Lands Specialist

Mike Kalmink

Mike Kalmink, Dairy Compliance Manager

Sean Fonseca

Sean Fonseca, Field Technician