Jeremy Liddle in

Jeremy Liddle

Captain · DISC type DS
Cofounder & CEO at Stealth Startup
📍 Manly, New South Wales, Australia

Jeremy is a seasoned entrepreneur, investor, and PR specialist focusing on climate, technology, and finance. He serves as Managing Director at Third Hemisphere and is the CEO of an AI-powered reputation intelligence platform. People who have worked with him describe him as energetic, inspirational, and knowledgeable, with excellent leadership skills.

He is passionate about solving global problems through entrepreneurship, with a specific focus on achieving the UN Sustainable Development Goals. Jeremy is an ambassador and advisor for Parents for Climate, actively advocating for a safe climate for children and supporting community engagement on the issue.

Unique fact: Jeremy authored the book "From Idea to Start-Up" to help entrepreneurs plan and launch market-tested, viable enterprises.

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Experience
21 Years
Current Role
Cofounder & CEO
Job Level
Leadership
Location
Manly, New South Wales, Australia
Personality Overview

How Jeremy shows up

Output-Driven
Decisive But Calm
Planner & Achiever

They are very professional in their approach and can weigh multiple perspectives together. They might take some time to make their mind up but once they do, they don't change it easily. They exhibit a rare combination of being result-oriented but patient at the same time.

Priorities

Topics Jeremy cares about

Climate Tech Investing
He is an active investor in climate and tech startups, is an LP in multiple venture funds, and his firm SDGx focuses on climate technology.
Impact Entrepreneurship
Believes entrepreneurs solve the world's biggest problems and has dedicated his career to advising and investing in startups that drive positive change and align with UN SDGs.
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Career

Work history

10-2025
Cofounder & CEO
Stealth Startup
5-2024
Managing Director
Third Hemisphere
2-2019 - 5-2024
Executive Director
Third Hemisphere
1-2019
Private/Tech Investor | LP
H&J Investment Holdings
9-2025
Ambassador & Advisor
Parents for Climate
In the press

Media appearances

Jeremy Liddle @ Third Hemisphere on Ausbiz TV Startup hour. Featured in YouTube
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Education
2019 - 2020
Grad Dip Finance
Griffith University
2017 - 2017
RG 146 - Training of financial product advisers
Private College - AFSL Provider
Social presence
in
Behavioral profile

DISC profile (public)

D

Dominance (D)

Dominance (D) reflects how goal and task oriented a person is, and their ability to accomplish results irrespective of how demanding the circumstances might be. Those scoring high tend to be motivated by winning, competition, and success.

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