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Greg Mccallum

Founder & CEO

United Kingdom · 1 connection

PeerLab

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About

I started in sales making cold calls off a list. Fifteen years later, I was a Chief Commercial Officer. Almost everything useful I learned in between came from being in the room, not from a book about being in the room. That is why I host Founders Unplugged, long-form conversations with founders, operators and investors, where the interesting part is usually the bit most people edit out. Season four records this autumn. The rest of my time goes on two things: Advising founders, straight. No deck, no discovery call that is really a pitch. If your revenue team is not working, I will tell you what I think is wrong and what I would do about it. Often, that takes an hour and costs nothing. And a firm doing something quieter: independent second marking of AI that scores people. AI now has opinions about who is competent, who is ready, who needs managing, and almost nobody checks whether those opinions are right. Our assessors re-mark a sample blind and show you where the machine agrees with a human and where it does not. I am not against any of this. I build it. I just think a score nobody has checked is an opinion wearing a number. If you are a founder or operator with a story worth an

Experience

Founder & HostFounders Unplugged
May 2023
Founder & CEOPeerLab
Jun 2022
Fractional Chief Commercial OfficerWe3D Technologies
Nov 2023 to May 2024
Founder & CEOThinkWork
Jan 2021 to Sep 2026
No-BS GtM Advisortl;dv - AI Meeting Assistant
Jun 2026 to Sep 2026
Fractional Chief Commercial Officertl;dv - AI Meeting Assistant
Aug 2025 to May 2026
No-BS GtM AdvisorYapYap.Dog
Oct 2023 to Mar 2024
Angel Investor and Board Advisorai_licia
Nov 2023
No-BS GtM Advisor & MentorEdeal Enterprise Agency
Jul 2024
No-BS GtM AdvisorZonder Studios
Mar 2023
No-BS GtM AdvisorEli
May 2024 to Nov 2024
No-BS GtM AdvisorObservic
May 2023 to Jan 2026
No-BS GtM AdvisorPocketCarer
Mar 2024 to Mar 2025
No-BS GtM AdvisorDiversifly Travel
Jan 2024 to Nov 2024
Inside Sales Manager & Interim Head of SalesBooksy
Mar 2017 to Nov 2019
No-BS GtM AdvisorDearbump
Aug 2023 to Aug 2024
No-BS GtM AdvisorWOWNESS Club
Oct 2023 to Jun 2024
Fractional Chief Commercial OfficerRedacted Game Dev Studio Basic company page — company details not listed yet
Feb 2023 to May 2024
No-BS GtM AdvisorTutti (visit www.tutti.space)
Mar 2023 to Jan 2024
Country Sales ManagerhiPets
Oct 2022 to Jan 2023
No-BS GtM AdvisorKomorabi
Jul 2021 to Nov 2021
GtM Advisor & Interim Head of SalesSlick
Aug 2021 to Oct 2021
Chief Commercial Officer (CCO)That Nursery Life
Jul 2020 to Jun 2021
GtM Advisor & Interim Sales DirectorWessex Support & Supply
Aug 2020 to Nov 2020
Founder & CEOThe Fan Art Farm
Jan 2014 to Mar 2017
Various Hospitality, Catering and Venue related Managerial & Marketing Manager rolesVarious Basic company page — company details not listed yet
May 2004 to Nov 2013

Education

MIT Open Learning
Introduction to Machine Learning Electrical Engineering and Computer Science
2025 to 2026
MIT Open Learning
Introduction to Machine Learning Electrical Engineering and Computer Science
2025 to 2026
MIT Open Learning
Minds and Machines Electrical Engineering and Computer Science
2025 to 2026
MIT Open Learning
Minds and Machines Electrical Engineering and Computer Science
2025 to 2026
The Open University
Bachelor's degree Business Administration and Management
2019 to 2022
The Open University
Bachelor's degree Business Administration and Management, General
2019 to 2022
The Open University
Foundation degree Social Psychology
2010 to 2013
The Open University
Foundation degree Social Psychology
2010 to 2013
The Manchester College
Creative Writing English Language and Literature
2008 to 2009
The Manchester College
Creative Writing English Language and Literature
2008 to 2009
City of Oxford College
Art & Design Art and Design (Fine Art)
2001 to 2003
Oxford Junior Debating Society
1998 to 2001
Oxford Matthew Arnold School
GCSE's
1996 to 2001