John Williamson, Chief Operations Officer at Promethean Software Services, Inc.

John Williamson

Chief Operations Officer at Promethean Software Services, Inc. | Akron, Ohio, United States

Profile last verified August 2026
Information Technology & Services Verified Profile Akron, Ohio, United States
Verified

Work Email

***@prometheanssi.com

Last verified September 2026

Personal Email

***@ecediltd.com

Personal • High Confidence

Phone Number

(216) ***-*281

United States • Phone

Free account · No credit card · 5 profiles/month

John Williamson Socials
John Williamson Work Experience

Chief Operations Officer at Promethean Software Services, Inc. in September 1995 - Present

About John Williamson’s Current Company
John Williamson’s Colleagues
Brandon Ransbury

Brandon Ransbury

Medina, Ohio, United States

Cybersecurity Analyst | PCCET/PCCSA

Studio Musician and Live Performance Bassist at BluZealot Entertainment
(May 2016 – Present)

ER

Ernie Ramhoff

Canfield, Ohio, United States

Director, Managed EDI Services at Promethean Software Services, Inc.

Director Managed EDI Services at Promethean Software Services, Inc.
(March 1999 – Present)

JW

Janice Wise

Stow, Ohio, United States

Client Support and Services Coordinator at Promethean Software Services, Inc.

Client Support and Services Coordinator at Promethean Software Services, Inc.
(March 2016 – Present)

Stephen Priddy

Stephen Priddy

Greater Cleveland

Retired

Retired at Self
(Jan 2025 – Present)

Justin Humphrey

Justin Humphrey

Aurora, Ohio, United States

Head of Sales - Promethean Software Services

Promethean Software Services is a leading provider of Managed EDI Services, advanced B2B integration solutions, and Value Added Network (VAN) services. For over 30 years, we have helped businesses streamline data exchange with enterprise grade technology and top rated, dedicat...

Steve Montgomery

Steve Montgomery

Stow, Ohio, United States

Promethean Software Services, Inc.

Promethean Software Services, Inc. originated the concept of a completely hosted managed EDI service over 20 years ago under the name EC/EDI Inc. The company’s roots date back to 1993, when EC/EDI was created to provide tested turnkey EDI solutions for the fortune 1000. Duri...

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Frequently asked questions about John Williamson

What is John Williamson email address?

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

How to contact John Williamson?

To contact John Williamson send an email to [email protected] or [email protected].

What company does John Williamson work for?

John Williamson works for Promethean Software Services, Inc..

What is John Williamson's role at Promethean Software Services, Inc.?

John Williamson is Chief Operations Officer

What industry does John Williamson work in?

John Williamson works in the Information Technology & Services industry.

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