David Sumner

David Sumner: Email & Phone Number

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Hydrologist at St. Johns River Water Management District|Apopka, Florida, United States

Location:

Apopka, Florida, United States

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Last updated: 2025-09-09
Updated: 2025-09-09

Found email addresses for David Sumner:

Business emails:
Personal emails:
d***@yahoo.com,
d***@hotmail.com,
s***@usgs.gov

Found phones for David Sumner:

+1-623-***-**76,
+1-520-***-**19
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Work Experience 44 years

Hydrologist at St. Johns River Water Management District

Jul 2025 - Current

NDAA Hydrologist at U.S. Geological Survey (USGS)

Oct 2023 - Jul 2025

Center Director at USGS Caribbean-Florida Water Science Center

May 2018 - Dec 2022

Hydrologist at U.S. Geological Survey (USGS)

Jun 1982 - May 2018

David Sumner started working in 1982, then the employee has changed 2 companies and 2 jobs. On average, David Sumner works for one company for 10 years 9 months.

Education

Doctor of Philosophy at University of California, Davis

Master of Science at Georgia Institute of Technology

Bachelor of Science at Georgia Institute of Technology

Frequently Asked Questions

What is David Sumner's email address?

SignalHire found verified email addresses for David Sumner, both business and personal. Their business email is d****s@sjrwmd.com, and personal emails include d***@gmail.com, d***@yahoo.com, and d***@hotmail.com.

What is David Sumner's phone number?

SignalHire found multiple verified phone numbers for David Sumner: +1-870-***-**98, +1-623-***-**76, and +1-520-***-**19.

How do I contact David Sumner at St. Johns River Water Management District?

You can reach David Sumner through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is David Sumner's professional background?

David Sumner has 44 years of professional experience. They have held roles including NDAA Hydrologist, Center Director, and Hydrologist at companies such as U.S. Geological Survey (USGS), USGS Caribbean-Florida Water Science Center, and U.S. Geological Survey (USGS). Their education includes Doctor of Philosophy from University of California, Davis, and Master of Science from Georgia Institute of Technology.

Is David Sumner's contact information up to date?

Yes. David Sumner's SignalHire profile was last updated on 9 September 2025, reflecting their current position as Hydrologist at St. Johns River Water Management District in Palatka, FL, United States.

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