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Maciej Gałkiewicz

CEO & Impact Angel Investor at Ragnarson
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Email: ****@****.***
LinkedIn: Maciej Gałkiewicz
Location: Berlin, Berlin, Germany
Current employer: Carbon13
Current title:
Domain Expert
Last updated: 10/06/2026 18:38 PM
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About

Maciej Gałkiewicz is from Berlin, Berlin, Germany. Maciej is currently Domain Expert at Carbon13, located in Berlin, Germany. Maciej also works as Mentor at Rockstart, a job Maciej has held since Jun 2020. Another title Maciej currently holds is Mentor at GrowthMentor. In Maciej's previous role as a Co-Founder & Infrastructure Lead at Shelly Cloud, Maciej worked in Lodz, Lodz District, Poland until Mar 2016. Prior to joining Shelly Cloud, Maciej was a Business Development Manager at Ragnarson and held the position of Business Development Manager at Lodz, Lodz District, Poland. Prior to that, Maciej was a Linux System Administrator at Ragnarson, based in Lodz, Lodz District, Poland from Feb 2010 to Dec 2013.

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Maciej Gałkiewicz's current jobs
Company: Carbon13
Title: Domain Expert
Period: Jun 2024 - Present (2 years, 1 month)
Location: Berlin, Germany

Helping founders overcome various early-stage challenges of building a startup.

Company: Rockstart
Title: Mentor
Period: Jun 2020 - Present (6 years, 1 month)

I joined the Rockstart AgriFood program as a Mentor to help boost startup growth, by providing expert knowledge and guidance to startups on building their software products and tech teams. My involvement as a mentor spans across the full program, allowing me to contribute during major events such as Selection Days, Ecosystem Days, Prototype Day, and Demo Day. Rockstart launched in 2011 in Amsterdam as one of Europe’s first startup accelerators and today, is an international company that supports and empowers the best startups on their way to success across four domains: Energy, Health, AgriFood, and Emerging Technologies.

Company: GrowthMentor
Title: Mentor
Period: Dec 2018 - Present (7 years, 7 months)
Location: Berlin Area, Germany

Helping mentees with various crises and challenges. Most of my sessions focus on: • overcoming challenges and crises related to motivation, vision, co-founding, building and managing teams, building MVPs, personal productivity and bottlenecks • building and leading remote companies and teams • how self-management works and can be implemented in an organization • how to build an MVP • how to collaborate with software agencies

Company: Ragnarson
Title: CEO & Partner
Period: Jul 2014 - Present (12 years)
Location: Berlin, Germany

Ragnarson is a software agency and angel investor, investing and co-creating products with impact-driven startups.

Maciej Gałkiewicz's past jobs
Company: Shelly Cloud
Title: Co-Founder & Infrastructure Lead
Period: Oct 2012 - Mar 2016 (3 years, 5 months)
Location: Lodz, Lodz District, Poland

Co‑founded a Platform‑as‑a‑Service (PaaS) for Ruby and Ruby on Rails applications, concentrating on developer experience and scalable infrastructure. • Designed, built, and maintained the full‑stack server environment—compute, storage, and networking—for every client (100 + accounts). • Managed lead generation and sales outreach, turning prospect conversations into signed contracts. • Supported the commercial founder in fundraising activities, preparing pitch materials, and engaging early‑stage investors.

Company: Ragnarson
Title: Business Development Manager
Period: Dec 2013 - Jun 2014 (6 months)
Location: Lodz, Lodz District, Poland

Together with the rest of the team I was responsible for general business development mostly in the following areas: • recruitment • sales • finance • resource allocation • company's website My main focus was in sales with the following activities: • lead generation • qualifying inbound leads • taking care of potential customers • negotiating terms of contracts • building teams for won projects • collecting feedback from potential and current customers • re-negotiating rates and managing the allocation of developers • nurturing relationships with current and past customers

Company: Ragnarson
Title: Linux System Administrator
Period: Feb 2010 - Dec 2013 (3 years, 10 months)
Location: Lodz, Lodz District, Poland

I was part of the team responsible for building our first product: Platform as a service for hosting Ruby and Ruby on Rails applications which later became Shelly Cloud. Major responsibilities: • Designing, implementing and maintaining server infrastructure • Server management • Virtualization • Scalable VM management • Automated server configuration • Networking • Cloud Storage • Highly-available distributed services • Monitoring • Customer support

Maciej Gałkiewicz's education
Lodz University of Technology
Bachelor of Science (BS)
2007 - 2011
Maciej Gałkiewicz's top skills
Management Project Management Business Development Entrepreneurship Cloud Computing Strategic Planning Linux System Administration Leadership Cloud Applications Business Networking Product Development System Administration Sales Web Applications Negotiation Web Development Business Strategy Business Process Design Start-ups Lean Startup
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