Don Freeman: Email & Phone Number

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Founder at Sentinel Occupational Software|Lincoln, California, United States

Position:

Founder at Sentinel Occupational Software

Location:

Lincoln, California, United States

View Don Freeman's Email

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Last updated: 2026-07-16

Updated: 2026-07-16

Found email addresses for Don Freeman:

Business emails:

d********n@sentinelus.com

Personal emails:

d***@yahoo.com,

f***@unitedchiropractic.com.my,

d***@marines.mil

Found phones for Don Freeman:

+1-323-***-**25,

+1-870-***-**09,

+1-205-***-**50,

+1-909-***-**39

A different Don Freeman?

Work Experience 44 years

Founder at Sentinel Occupational Software

Jan 2023 - Current

Workers' Compensation & Loss Control at San Mateo County Schools Insurance Group

Jan 2020 - Jan 2024

Chiropractor & Clinic Director at United Chiropractic

Jan 1997 - Jan 2019

Construction Foreman at Yerion-Freeman Construction

Jan 1986 - Jan 1994

Marine at United States Marine Corps

Jan 1982 - Jan 1986

Don Freeman started working in 1982, then the employee has changed 4 companies and 4 jobs. On average, Don Freeman works for one company for 8 years 4 months.

Their professional focus is Business Development & Growth Strategy, Chiropractic Care & Rehabilitation, and Claims Management across 3 core areas.

Don holds Licensed Chiropractor (California), Occupational Safety and Health (OSHA) Training, and Workers' Compensation Claims Management certifications and has been awarded Employee Recognition Award

Education

Doctor of Chiropractic at Life Chiropractic College West

High School Diploma at Rancho Cotate High School

Frequently Asked Questions

What is Don Freeman's email address?

SignalHire found verified email addresses for Don Freeman, both business and personal. Their business email is d********n@sentinelus.com, and personal emails include d***@yahoo.com, f***@unitedchiropractic.com.my, and d***@marines.mil.

What is Don Freeman's phone number?

SignalHire found multiple verified phone numbers for Don Freeman: +1-323-***-**25, +1-870-***-**09, and +1-205-***-**50.

How do I contact Don Freeman at Sentinel Occupational Software?

You can reach Don Freeman 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 Don Freeman's professional background?

Don Freeman has 44 years of professional experience. They have held roles including Workers' Compensation & Loss Control, Chiropractor & Clinic Director, and Construction Foreman at companies such as San Mateo County Schools Insurance Group, United Chiropractic, and Yerion-Freeman Construction. Their education includes Doctor of Chiropractic from Life Chiropractic College West, and High School Diploma from Rancho Cotate High School.

Is Don Freeman's contact information up to date?

Yes. Don Freeman's SignalHire profile was last updated on 16 July 2026, reflecting their current position as Founder at Sentinel Occupational Software.

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