Jeff Fields: Email & Phone Number

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Senior Advisor at Playground Global|San Francisco, California, United States

Position:

Senior Advisor at Playground Global

Location:

San Francisco, California, United States

View Jeff Fields's Email

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Last updated: 2026-10-08

Updated: 2026-10-08

Found email addresses for Jeff Fields:

Business emails:

j**@playground.global

Personal emails:

j**********3@gmail.com

Found phones for Jeff Fields:

+1-623-***-**70,

+1-323-***-**19,

+1-870-***-**70,

+1-520-***-**45

Prospect analytics

Current work details

DepartmentVenture Capital & Private Equity, Think Tanks

Availability

TimezonePST

Best time to contact12:00 PM – 4:00 PM

A different Jeff Fields?

Work Experience 24 years

Senior Advisor at Playground Global

Mar 2026 - Current

Instructor at Berkeley Institute for Security and Governance

Jan 2026 - Current

Co-Founder at Mission Applied Berkeley

Aug 2026 - Current

Senior Fellow of Practice at Berkeley Institute for Security and Governance

Jan 2026 - Current

Member at Council on Foreign Relations

Jun 2022 - Current

Assistant Special Agent in Charge at Federal Bureau of Investigation (FBI)

Jan 2005 - Jan 2026

Joint-Fellow, Cyber Project / Intelligence Project at Harvard's Belfer Center

Jun 2020 - Dec 2023

Police Officer at New York City Police Department

Jun 2002 - Jan 2006

Jeff Fields started working in 2002, then the employee has changed 6 companies and 7 jobs. On average, Jeff Fields works for one company for 4 years 5 months.

Their professional focus is Classroom Instruction, Counterterrorism, and Criminal Investigations across 3 core areas.

Education

Master of Public Administration - MPA at Harvard Kennedy School

Bachelor of Science - BS at Hampton University

Frequently Asked Questions

What is Jeff Fields's email address?

SignalHire found verified email addresses for Jeff Fields, both business and personal. Their business email is j**@playground.global, and personal emails include j**********3@gmail.com.

What is Jeff Fields's phone number?

SignalHire found multiple verified phone numbers for Jeff Fields: +1-623-***-**70, +1-323-***-**19, and +1-870-***-**70.

How do I contact Jeff Fields at Playground Global?

You can reach Jeff Fields 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 Jeff Fields's professional background?

Jeff Fields has 24 years of professional experience. They have held roles including Instructor, Co-Founder, and Senior Fellow of Practice at companies such as Berkeley Institute for Security and Governance, Mission Applied Berkeley, and Berkeley Institute for Security and Governance. Their education includes Master of Public Administration - MPA from Harvard Kennedy School, and Bachelor of Science - BS from Hampton University.

Is Jeff Fields's contact information up to date?

Yes. Jeff Fields's SignalHire profile was last updated on 8 October 2026, reflecting their current position as Senior Advisor at Playground Global in Palo Alto, CA, United States.

Jeff Fields Namesakes

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Jeff

LST Holding

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Jeff

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Jeff

Crossfire Audio Visual Inc.

CEO

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Marissa Huang

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