Charles Stack: Email & Phone Number

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CEO at Coworkers.global|Cleveland, Ohio, United States

Position:

CEO at Coworkers.global

Location:

Cleveland, Ohio, United States

View Charles Stack's Email

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Last updated: 2026-05-31

Updated: 2026-05-31

Found email addresses for Charles Stack:

Business emails:

*m*@inomadics.com,

c***********k@inomadics.com,

c****k@cityclub.org

Personal emails:

c***********k@gmail.com,

c**********k@gmail.com,

c********k@cox.net

Found phones for Charles Stack:

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

+1-623-***-**71,

+1-520-***-**63

A different Charles Stack?

Work Experience 42 years

CEO at Coworkers.global

May 2026 - Current

Innovation Consultant at Flashstarts, Inc.

Dec 2019 - May 2026

Co-Founder/CEO at Flashstarts, Inc.

Dec 2012 - Dec 2019

Member at North Coast Ventures

Jan 2009 - May 2026

Member Board Of Directors at The City Club of Cleveland

Dec 2016 - Jan 2026

Executive Committee at Blockland Solutions

Jun 2018 - Mar 2020

Founder at StartMart.US

Dec 2014 - Dec 2019

Member / Board Member at Ohio Venture Association

Jan 2006 - Jan 2019

Founder/ CEO at // Sideways

Jan 2010 - Dec 2012

Sr. Exec. Vice President Web Services Group at BEA Systems

Aug 2006 - Sep 2007

Founder/CEO at Flashline, Inc. (Acquired BEA/Oracle 2006)

Jan 1999 - Jul 2006

Vice President Internet Retail at CUC International

May 1996 - Feb 1998

Founder/CEO at Books.com (Acquired CUC/B&N 1996)

Jan 1992 - May 1996

Founder/CEO at Parallax LegalSystems, Inc.

Dec 1984 - Dec 1991

Charles Stack started working in 1984, then the employee has changed 12 companies and 11 jobs. On average, Charles Stack works for one company for 6 years.

Charles is proficient in English. Their professional focus is analytics, Anthropic Claude, and Bitcoin across 3 core areas.

Charles has registered patents, including "Apparatus and method for on-line price comparison of competitor's goods and/or services over a computer network, Data object identification, tracking, filtering and monitoring using data object fingerprints, and Internet test-making method" and has been awarded 2017 Venture Ohio Catalyst Award, Kent State University Startup Mentor of the Year 2014, and Venture of the Year

Education

Claude at Anthropic

Doctor of Law (JD) at Case Western Reserve University School of Law

Online Courses at Blockchain

Kent State University

Bachelor of Arts (B.A.) at Kalamazoo College

Hawken

Frequently Asked Questions

What is Charles Stack's email address?

SignalHire found verified email addresses for Charles Stack, both business and personal. Their business email is *m*@inomadics.com, and personal emails include c***********k@gmail.com, c**********k@gmail.com, and c********k@cox.net.

What is Charles Stack's phone number?

SignalHire found multiple verified phone numbers for Charles Stack: +1-870-***-**70, +1-623-***-**71, and +1-520-***-**63.

How do I contact Charles Stack at Coworkers.global?

You can reach Charles Stack 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 Charles Stack's professional background?

Charles Stack has 42 years of professional experience. They have held roles including Innovation Consultant, Co-Founder/CEO, and Member at companies such as Flashstarts, Inc., Flashstarts, Inc., and North Coast Ventures. Their education includes Claude from Anthropic, and Doctor of Law (JD) from Case Western Reserve University School of Law.

Is Charles Stack's contact information up to date?

Yes. Charles Stack's SignalHire profile was last updated on 31 May 2026, reflecting their current position as CEO at Coworkers.global.

Charles Stack Namesakes

Name

Company

Position

Charlie Stack

Alvarez & Marsal

Senior Director, Corporate Transformation Services

Get contacts

Charles Stack

Ideal Software Systems, Inc.

Software Development Manager

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Charles Stack

Broadleaf, Inc

Security Specialist - Senior Lead

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