Career portfolio

Career portfolio.

Some highlights from my career so far.

2023 → Now

Komo Technologies

Chief Product Officer. A martech SaaS platform used by brands like NFL, Live Nation and Foxtel.

2023 → Now

Komo Technologies Chief Product Officer

Komo is a high-growth martech SaaS platform used by brands like NFL, Live Nation and Foxtel.

  • Tripled ARR, doubled contract values, 110% NRR (since joining).
  • Leading launch of Komo AI — agentic LLM product for content scaffolding.
  • Own vision, strategy, roadmap and monetization working with a 6-person engineering team.
  • Leadership team member reporting to the CEO.
2020 → 2023

Reason Studios

Head of Product. Stockholm-based music software company used by millions of producers worldwide.

2020 → 2023

Reason Studios Head of Product

Reason is a Stockholm-based music software company used by millions of producers worldwide.

  • Designed, built, and launched Reason+ subscription service from the ground up — scaled to $10M ARR in 3 years.
  • Led 100+ user interviews, ran JTBD research, personally recruited the first 500 beta users to validate product-market fit.
  • Cold outreach signed Ian Kirkpatrick (Dua Lipa, Lizzo, Chainsmokers) as ambassador.
  • Produced a viral campaign video with over 1M YouTube views.
2018 → 2020

Lime Technologies

Product Owner. Europe's largest CRM provider, joined post-Sparta acquisition.

2018 → 2020

Lime Technologies Product Owner

Lime is Europe's largest CRM provider for public and private sector customers.

  • Led two core CRM product lines (Lime Engage and Lime Field) post-Sparta acquisition.
  • Drove cloud transformation from on-premise to full SaaS platform during a pivotal growth phase.
  • Contributed to successful IPO (December 2018) by delivering key product milestones.
2014 → 2018

Sparta

Founder and CEO. Gamified sales performance SaaS platform for large European enterprises.

2014 → 2018

Sparta Founder & CEO

Sparta was a gamified sales performance SaaS platform for large European enterprises.

  • Learned to code and built first working prototype in Ruby on Rails as a non-technical founder (0 to paying customer in 90 days).
  • Raised financing from angels at Spotify and Facebook.
  • Signed flagship enterprise deals with Volvo, Electrolux and others through founder-led sales and cold calls.
  • Built multi-platform product (Web, iOS, Android) for hundreds of Nordic enterprise customers.
  • 300% YoY revenue growth for 4 consecutive years.
  • Acquired by Lime Technologies (Europe's largest CRM, later IPO).
Appendix

Side projects & experiments

A few selected projects from outside of work. The full collection lives on the projects page.

WebShot

Tool

A CleanShot-style tool for adding beautiful gradient backgrounds to screenshots and images.

webshot.pages.dev Open →

Meeting Notes TUI

Open source

A local, privacy-focused AI meeting notetaker for Linux with a keyboard-driven TUI.

GitHub · Whisper View repo →

PG Essays

Reading

Interactive concept maps for Paul Graham's essays.

pg-essays.jamespember.com Open →

Own the Moment Podcast

Podcast

24 episodes interviewing marketers from Oatly, Virgin, Rugby Australia, Arnott's, Channel 7, Buzzfeed and Aldi.

24 episodes Listen →
Deprecated

AI for PMs

Course

A web app helping PMs learn AI, machine learning and LLMs. Week-by-week guide with reading, quizzes and practical activities.

No longer maintained Visit →

View all projects

12+

See the full collection of side projects, including open-source tools, Chrome extensions, and AI experiments.

/projects Open →