Andrew Ellam in

Andrew Ellam

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Interim Chief Technology Officer at Previsico
📍 London Area, United Kingdom

Andrew is a senior technology executive with experience spanning startups to Big Tech firms like Meta, Amazon, and Monzo. He specializes in scaling engineering teams, cloud computing, and climate tech. He holds an MBA from London Business School and a degree from the University of Cambridge.

Outside of his executive roles, Andrew is a prolific angel investor in early-stage tech startups, having backed over 90 businesses. He is also passionate about human rights and democracy, publicly supporting peaceful protest and activism.

Unique fact: Andrew has served on regulatory panels for the UKs energy and phone-paid services markets, making decisions on multi-million pound fines for legal breaches.

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Experience
9 Years
Current Role
Interim Chief Technology Officer
Job Level
Leadership
Location
London Area, United Kingdom
Personality Overview

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Communication Style
Decision Approach
Work Preference

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Priorities

Topics Andrew cares about

Scaling Tech Teams
He grew an engineering team's headcount by 5x at Climate X, where he also successfully implemented career frameworks and increased gender diversity from 0% to 27%.
Cloud Cost Management
Has significant experience controlling cloud spend, having negotiated multi-million pound AWS contracts and saved 50% of a budgeted cloud spend in a previous role.
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Career

Work history

8-2025
Interim Chief Technology Officer
Previsico
1-2025 - 8-2025
Consultant Technical Program Manager
Previsico
3-2023
Enforcement Decision Panel (EDP) Member
Ofgem
1-2017
Angel Investor
Self-employed
5-2016 - 1-2025
Member, Code Adjudication Panel
Phone-paid Services Authority
In the press

Media appearances

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Education
2002 - 2004
MBA
London Business School
1996 - 1999
Bachelor's Degree
University of Cambridge
Social presence
in
Behavioral profile

DISC profile (public)

DISC behavioral profile

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