Dan Gillespie
40 Under 40, Class of 2021

Dan Gillespie


J.R. Peters

Job Title

Technical Specialist


  • Member of the winning team of the Rooftop Garden Competition at the University of Arizona that proposed and designed an edible crop greenhouse that is in production on the roof of the UA Student Union to provide produce for underprivileged communities.
  • Recipient of the Edward F. Hayes Graduate Research Forum for presenting his master’s degree research at The Ohio State University.


After Hours: When he’s not helping customers solve their plant nutrition problems, Dan’s hobbies include growing plants, participating in sports, fishing, eating, exercising, reading, traveling and socializing with friends.

Fun Facts

On His Dinner Table, Bookshelf and TV: Dan’s favorite food is any seafood; his favorite books are the Harry Potter series; and “Goodfellas” is his favorite movie. “I am a big fan of gangster movies.”

Latest Photos see all »

GPN recognizes 40 industry professionals under the age of 40 who are helping to determine the future of the horticulture industry. These individuals are today’s movers and shakers who are already setting the pace for tomorrow.
Erica Hernandez
Emma Lookabaugh
Melissa Maguire
Cole Mangum
Oz Marshall
Meagan Nace
Tiffany Nohl
Chris Plane
Mike Prol

May 2022 GPN
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