Dan OSullivan

Dan OSullivan: Email & Phone Number

Opt-Out
Information Technology Security Engineer at Prospect Medical Holdings, Inc.|St Louis, Missouri, United States

Position:

Information Technology Security Engineer at Prospect Medical Holdings, Inc.

Location:

St Louis, Missouri, United States

LinkedIn
View Dan OSullivan's Email
Up to 10 free lookups. No credit card required.
Last updated: 2026-05-12
Updated: 2026-05-12

Found email addresses for Dan OSullivan:

Business emails:
Personal emails:
o***@gmail.com,
o***@reuters.com,
o***@medicalofficeonline.com

Found phones for Dan OSullivan:

+1-520-***-**42
Searching for Dan OSullivan profiles
0% completed

A different Dan OSullivan?

Sign up to search for other Dan OSullivan's across our 850M+ professionals database

Work Experience 38 years

Information Technology Security Engineer at Prospect Medical Holdings, Inc.

Mar 2024 - Current

Cyber Security Analyst at Anodyne Security

Feb 2021 - Current

Book Author at Freelance

Nov 2022 - Nov 2022

General Manager - Network Architect / Consultant at Tie Caddy Consulting

Jan 2009 - Jan 2021

President / CEO / CIO at Medical Office Online

Dec 2012 - Jun 2017

President / CIO at Dexter Broadband

Jan 2002 - Nov 2010

President / Founder / Operations Manager at Brick Network

Jan 1997 - Jan 2006

Research Associate at R S Weinberg & Associates

Jan 1996 - Jan 1997

National Customer Service Manager at Bridge Information Systems

Jan 1992 - Jan 1995

Business Consultant at Accenture

Jan 1988 - Jan 1992

Their professional focus is Cisco, Cisco Systems Products, and Cisco Technologies across 3 core areas.

Education

MBA at Washington University in St. Louis - Olin Business School

BA at Missouri University of Science and Technology

High School at St. Louis University High School

Frequently Asked Questions

What is Dan OSullivan's email address?

SignalHire found verified email addresses for Dan OSullivan, both business and personal. Their business email is d**@pmh.com, and personal emails include d***@hotmail.com, o***@gmail.com, and o***@reuters.com.

What is Dan OSullivan's phone number?

SignalHire found multiple verified phone numbers for Dan OSullivan: +1-623-***-**02, and +1-520-***-**42.

How do I contact Dan OSullivan at Prospect Medical Holdings, Inc.?

You can reach Dan OSullivan 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 Dan OSullivan's professional background?

Dan OSullivan has 38 years of professional experience. They have held roles including Cyber Security Analyst, Book Author, and General Manager - Network Architect / Consultant at companies such as Anodyne Security, Freelance, and Tie Caddy Consulting. Their education includes MBA from Washington University in St. Louis - Olin Business School, and BA from Missouri University of Science and Technology.

Is Dan OSullivan's contact information up to date?

Yes. Dan OSullivan's SignalHire profile was last updated on 12 May 2026, reflecting their current position as Information Technology Security Engineer at Prospect Medical Holdings, Inc. in Culver City, California, United States.

Dan OSullivan Namesakes

Name
Company
Position
Dan Osullivan
Westminster Country Club
Executive Chef
Get contacts
Dan OSullivan
Navy
Get contacts
See more profiles

Similar profiles

Name
Company
Position
Ashish singh
Information Technology Security Engineer
Get contacts
Krzysztof Turski
Information Technology Security Engineer
Get contacts
Hussain Ali
Information Technology Security Engineer
Get contacts
Kabilash balaji Muthusamy
Information Technology Security Engineer
Get contacts
Arsinta Komala
Information Technology Security Engineer
Get contacts
Hendra Setiawan
Information Technology Security Engineer
Get contacts
See more profiles

Other employees at Prospect Medical Holdings, Inc.

Name
Company
Position
Kayla Pimentel
Licensed Practical Nurse
Get contacts
Hoang Trinh
Financial Systems Manager
Get contacts
Hodges Sherri
covid call center covid tracer
Get contacts
Brittany Moreno
Diagnostic Medical Sonographer
Get contacts
Loretta Coakes
Manager, Population Health
Get contacts
Christopher Aquino
Staff Registered Nurse
Get contacts
Imad Khan
CT Technologist
Get contacts
See more profiles

Data Privacy

GDPR Icon

GDPR COMPLIANT

SignalHire complies with the General Data Protection Regulation (GDPR). SignalHire follows GDPR requirements, including but not limited to rights of data subjects to access, correct, or delete their personal information and supports the right to be forgotten.

CCPA Icon

CCPA COMPLIANT

SignalHire is CCPA-compliant and provides California residents the right to know, access, opt out, and request deletion of their personal data.

BACK TO TOP