About STF

Get to know the people at STF. The team has over 30 years of combined experience in open source funding and brings diverse backgrounds from startups, NGOs, research organizations and corporations.

Adriana Groh she/her


Adriana leads strategy and organizational development at the STF and is responsible for networking with stakeholders from politics and society.

Fiona Krakenbürger she/her


Fiona implements the tech strategy, oversees the investments and engages with the tech community and stakeholders.

Tara Tarakiyee


Tara is a public-interest technologist working on designing support mechanisms and mobilizing resources to encourage, sustain and maintain the FOSS ecosystem.

Claudia Jach she/her

Process Manager

Claudia designs, organizes, and supports program-related processes and is also working on knowledge management.

Powen Shiah he/him

Communications Manager

Powen is responsible for explaining the technologies, investments, and STF's mission so that everyone can understand them.

Abigail Garner

Program Manager

Abigail reviews and selects open source technologies for investments and guides them through the contracting process.

Paul Sharratt he/him

Project Coordinator

Paul is responsible for quantitative research and coordinates the Bug Resilience Program at the Sovereign Tech Fund.

Susan Trinitz she/her

Operations Manager

Susan leads all administrative processes at STF and is responsible for purchasing and contracts.

Mirko Swillus he/him

Program Manager

Mirko works on the full lifecycle of technologies and projects, from reviewing applications through contracting to successfully finishing projects.

Lara Bokor they/them

Office Manager

Lara is responsible for office management, meeting organization and purchasing at the STF.

Jacqueline Bender

Program Administrator

Jacky provides support with administrative processes and coordinates contracts and payments.


The Sovereign Tech Fund works with external experts in different capacities to appraise technologies and provide additional technical expertise and varying perspectives on FOSS ecosystem.

Dawn Foster

External reviewer for Contribute Back Challenges

Dr. Dawn Foster works as the Director of Data Science for CHAOSS where she is also a board member / maintainer. She is co-chair of CNCF TAG Contributor Strategy and an OpenUK board member. She has 20+ years of experience at companies like VMware and Intel with expertise in community, strategy, governance, metrics, and more. She has spoken at over 100 industry events and has a BS in computer science, an MBA, and a PhD. In her spare time she enjoys reading science fiction, running, and traveling.

Ben Cotton

External reviewer for Contribute Back Challenges

Ben Cotton has been active in Fedora and other open source communities for over a decade. His career has taken him through the public and private sector in roles that include desktop support, high-performance computing administration, marketing, and program management. Ben is the author of Program Management for Open Source Projects, a contributor to the book Human at a Distance, and has published articles in The Next Platform, Opensource.com, Scientific Computing, and more.