Founder of the AI productivity app https://donethat.ai
Writing about effective habits for a good life at https://euzoia.org including an app that works like beeminder but donates to effective charities at https://app.euzoia.org
GWWC profile about me: https://www.givingwhatwecan.org/blog/member-profile-christoph-hartmann
Yes, https://donethat.ai/download