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Certification staff

Certification staff includes those responsible for reviewing documents and making decisions regarding operators’ certification status.

Business Meeting
Inspection staff

Inspection staff includes those responsible for managing the inspection process and includes the staff inspectors and independent inspectors who perform on-site inspections.

Vegetable Picking
Administrative staff

Administrative staff includes those responsible for the organizational and office functions not primarily related to certification decisions.

Stack of Envelopes


The Team at OnMark are overseen by the Executive Director, Mark Seeley.

The Team
Mark Seeley, CEO OnMark Certification Services LLC

Mark Seeley

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Amy Fry

Program Administration & Customer Relations

Rachel Reeves - OnMark Certification Services LLC

Rachel Reeves

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Jenn Whaley

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Grace Seeley

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John Mataruse


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Jeff Evard​

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Julia Ingle

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Emily Gleiss

Material Inputs

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Nicholas Brown

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Madeline McGhee

Certification Officers & Inspection Team

Barb Burbaugh 2021.jpg

Barb Burbaugh

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Brandon McDonald


Clair Shirk

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Dennis Wilcox

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Josh VanCleave


Lindsey Jones

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Mallory Krieger

Mark Hostetler

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McKenna Dixon


Paul Yoder

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