David Dejohn, Director of Agriculture at UpTerra

David Dejohn

Director of Agriculture at UpTerra | Oakley, California, United States

Profile last verified August 2026
Farming Verified Profile Oakley, California, United States
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Personal Email

***@yahoo.com

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Phone Number

510*****

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David Dejohn Socials
David Dejohn Work Experience

Director of Agriculture at UpTerra in April 2020 - Present

Heating Air Conditioning Specialist at Healthy Duct Cleaning in January 2017 - January 2020

Farmer at D'Angelo's Cannabis Garden in April 2012 - January 2015

David Dejohn Skills
Training Strategy Design Problem Solving Customer Service Sales Soil Fertility Regenerative Design Organic Farming Sustainable Agriculture Greenhouse Hydroponics Carpentry Soil Agriculture Communication Leadership
About David Dejohn’s Current Company
UpTerra

UpTerra is a revolutionary farm performance technology company that applies advanced physics inside existing irrigation systems to restructure and enhance water. This improves infiltration, uniformity, and nutrient transport so growers see measurable efficiency and yield gains. UpTerra is installed on more than 40,000 acres nationwide across 300 farms, spanning row crops, orchards and specialty crops.

Discover more about UpTerra
David Dejohn’s Colleagues
Reza Givsan

Reza Givsan

San Rafael, California, United States

Co-Founder and CTO at UpTerra

Chief Technology Officer at UpTerra
(November 2019 – Present)

Chanda Reynolds

Chanda Reynolds

Shamrock, Texas, United States

Field Agronomist and Cotton Specialist

Agronomist at UpTerra
(April 2022 – Present)

Joshua Caswell

Joshua Caswell

Weatherford, Oklahoma, United States

Open to Opportunities at N/A

Open to Opportunities at N/A
(May 2021 – Present)

Joubert Julien

Joubert Julien

Greater Toulouse Metropolitan Area

Directeur Commercial d'Upterra

Directeur Commercial d'Upterra at Upterra
(July 2000 – Present)

Roland Vandermeer

Roland Vandermeer

Mill Valley, California, United States

Executive Chairman, UpTerra, Bringing in a new era for Agronomy

UpTerra’s mission is to bring scalable solutions for agriculture and the planet through the power of water using biomimicry and innovative irrigation technologies, UpTerra brings water to its optimum state — fully aligned and bioavailable — so that all organic life can b...

Janabai Owens

Janabai Owens

United States

Food & Farm Systems Conceptualist, Sustainable Strategies, Plant-based Innovator and Leader

Chief Executive Officer at UpTerra (Agriculturally)
(Mar 2020 – Present)

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Frequently asked questions about David Dejohn

What is David Dejohn email address?

Email David Dejohn at [email protected] and [email protected]. This email is the most updated David Dejohn's email found in 2026.

What is David Dejohn phone number?

David Dejohn phone number is 5108814417.

How to contact David Dejohn?

To contact David Dejohn send an email to [email protected] or [email protected]. If you want to call David Dejohn try calling on 5108814417.

What company does David Dejohn work for?

David Dejohn works for UpTerra.

What is David Dejohn's role at UpTerra?

David Dejohn is Director of Agriculture

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