Isla Jackson

Partner, Wildflower Partners - venture capital · climate tech · energy

Wildflower Partners

Manchester, UK · GMT (UTC+0)

12+ years experience

University of Glasgow

English

Investing

Messaging unavailable

Overview

I invest in climate at Wildflower Partners, usually at pre-seed and seed. Previously an operator for 10 years before investing. Sit on 4 boards. Before that: Salesforce and Microsoft. Most at home with energy and venture capital. Home cook with strong opinions about biryani.

Good reasons to reach out

Founders building in search and ranking
Second opinions on energy decisions
Questions about search and ranking

Please don't message about

Recruiters for roles outside my stack
Offshore staffing offers

Answers in batches on Fridays

Skills

venture capitalclimate techenergyhardware

InvestingLooking to invest

closes in 3 months

Writing $25k cheques into pre-seed climate in LatAm

Cheque size: $25k
Stages: Series A
Sectors: Search and ranking, B2B SaaS
Geographies: India and Southeast Asia
Lead or follow: Any
Decision time: About two weeks
How I help: Intros to operators in our network

Usually the first cheque in. We reply to every founder.

Manchester, UKclimate techenergyhardware

Open

Experience

Partner
Sep 2025 - Present
Wildflower Partners · 1 yr 1 mo · Full-time · Manchester, UK
- Built the experimentation framework 18 product teams use to ship changes safely.
- Wrote the climate tech service that now handles 15 million requests a day.
- Cut p99 latency on the search services from 492ms to 180ms.
Financial Analyst
Aug 2022 - Sep 2025
Salesforce · 3 yr 1 mo · Full-time · Manchester, UK
- Ran diligence on 8 acquisitions.
Controller
Oct 2020 - Aug 2022
Microsoft · 1 yr 10 mo · Full-time · Manchester, UK
- Closed the books in 6 days, down from 11.
- Built the operating model the board used for a $174 million raise.
Senior Financial Analyst
Apr 2018 - Oct 2020
Meta · 2 yr 6 mo · Full-time · Manchester, UK
- Built the operating model the board used for a $124 million raise.
Finance Director
Jul 2014 - Feb 2018
Microsoft · 3 yr 7 mo · Full-time · Manchester, UK
- Ran diligence on 12 acquisitions.

References

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Education

University of Glasgow
MA, Business Administration
2011 - 2013
University of Leeds
BSc, Business Administration
2008 - 2011

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