REAKTOR.BERLIN's Community
Our professional coaches and mentors provide startup teams with essential business and personal skills
Simon Knittel
Creative Director at Jung von Matt
- Mentor
- Marketing , Advertising, Brand Building
Communication
Branding
Copywriting
Andreas Michalski
CEO at CI HUB GmbH
- Mentor
- Digital Marketing
Software
Adobe
Cloud Systems
Mirja Bastian
Consultant for Business & Organisational Development
- Coach
- Strategy
Team Development
Leadership
Hans van Houwelingen
Managing Partner at Urban Impact Ventures
- Mentor
- Sustainability, Urban Development
Financing strategy
VC
Fundraising
Moritz Hilger
Entrepreneur / Consultant
- Mentor
- Software, Machine Learning
Entrepreneurship
Leon Faulstroh
Investment Associate at First Momentum Ventures
- Mentor
- PropTech, Saas, Early Stage VC
Strategy
VC
Business Development
Davender Bassi
Growth Marketing Consultant / Co-Founder Kleiderly
- Coach
- Digital Strategy, Digital Marketing
International
Sales
Strategy
Marketing
Alina Bassi
Co-Founder and CEO at Kleiderly (and Founderland)
- Entrepreneur in Residence
- Fashion Tech, Startups, Sustainability
Entrepreneur
Fundraising
Bootstrapping
Circular Economy
Jesse Hartinger
Founder of Startup Studio Berlin
- Entrepreneur in Residence
- Startups
Networking
Fundraising
Prof. Dr. Christian Stummeyer
Professor of Digital Commerce • Entrepreneur • Senior Advisor • Keynote Speaker
- Mentor
- E-commerce
Leadership
Communication
Management Skills
Entrepreneur
Dr. Annette Koch
Executive HR Project- and Interim Management
- Mentor
- Strategy
Strategy
Consulting
Frank Reinecke
Principal at High-Tech Gründerfonds and Business Angel BACB
- Mentor
- Startups, Tech
International
Innovation
Ingo Bohg
Senior Manager M&A at Tierarzt Plus Partner
- Mentor
- E-commerce, Ad-Tech
Management Skills
E-commerce
Dr. Karolin Nelles
Partner at Schindhelm Germany
- Mentor
- Legal, Startups
E-commerce
Legal
Anton Kahr
CTO at Meramo Verlag GmbH, Yocal UG
- Mentor
- Tech, Digital Transformation
Entrepreneur
Development
Klaus Breyer
CTO & Startup Founder / Advisor at v01.io
- Mentor
- Business Development
Leadership
Software Engineering
Anna-Lena Gerber
Recruiting Partner at WILDCARD & CEO at Mello App
- Mentor
- Digital Marketing, International Business
Community Building
Social Innovation
Manuel Prinz
Product Manager, Tiktok Shopping at TikTok
- Mentor
- Product Management
Entrepreneurship
Product Development
Development
Product Design
Lisa Lang
CEO & Founder of ThePowerHouse
- Mentor
- Innovation
Vision
Entrepreneurship
Networking
Dirk Lehmann
Innovation Advisor & Pitch Coach at Dirk Lehmann & Partners
- Mentor
- Pitch Coach
Pitch Training
Innovation
Ferdinand Mühlhäuser
MD at Founder Institute Berlin
- Mentor
- E-commerce, Digital Transformation
Innovation
Consulting
Alexander Kiltz
Principal at UVC Partners
- Mentor
- Early-stage VC
Software
Mobility
Industrial Technology
Pia Thole
Co-Founder / COO at 3horizons
- Mentor
- Startups
Entrepreneur
Sales
Product Development
Katrin Hempel
COO at MOTOR AI
- Mentor
- Communications
Leadership
Development
Organization
Daniel Westerlund
Strategic Designer at MVP Factory
- Mentor
- Digital Strategy, Experience Design, Digital Transformation
Design
Training
Isabelle Canu
Founder & Managing Director of Respin
- Mentor
- Venture Capital, Startups, Sustainability
Venture Capital
Legal
Harald Bos
Managing Partner at M&H Advisory and Investments
- Mentor
- Strategy, Transformation
Management Skills
Investor
Stefan Jørgensen
CEO at Itembase
- Entrepreneur in Residence
- E-commerce, Saas, Social Media
E-commerce
Entrepreneur
Legal
Fundraising
Retail
Andreas Dubrow
Owner of StartupScout
- Entrepreneur in Residence
- FinTech, Startups
Management Skills
Pitch Training
Entrepreneur
Julia Stoetzel
Head of Investor Relations & Communications at ABOUT YOU
- Mentor
- Communications
Communication
Networking
Fundraising
Erdinç Koç
Head of MediaTech Hub Accelerator
- Entrepreneur in Residence
- Startups
Financing strategy
Fundraising
Patrick Brienen-Lucius
One Man Show at saas-sales.consulting
- Entrepreneur in Residence
- Startups, B2B software
Management Skills
Sales
Strategy
B2B SaaS
Marketing
Marie Freesemann
Director Sales at Amorelie
- Mentor
- E-commerce, Marketplace
E-commerce
Sales
Strategy
Marketing
Benjamin Maischak
Product Owner at Loom Impact
- Mentor
- Startups, Sustainability
Vision
Financing strategy
Entrepreneur
Impact
Naimah Schütter
VP Strategy at ONE LOGIC
- Mentor
- Startups, Tech, Augmented Reality, Machine Learning
Communication
Management Skills
Strategy
Valentin Degen
Managing Director at International Showtimes
- Mentor
- Creative Industries, E-commerce
Entrepreneurship
E-commerce
International
Strategy
Dirk Lehmann
Innovation Advisor & Pitch Coach
- Coach
- Startups
Entrepreneurship
Pitch Training
Robert Martin
Investment Manager at Porsche Ventures
- Mentor
- Startups
Communication
Strategy
VC
Johannes Röhrenbach
Co-Founder Mavuno Technologies GmbH
- Mentor
- Sustainability, AgTech
Entrepreneur
Strategy
Christian Stiebner
Investment Manager at KfW Capital
- Mentor
- Finance
Venture Capital
Finance
Sebastian Schwenke
Managing Director at Business Angels Club Berlin-Brandenburg e.V.
- Mentor
- Startups, Angels
Strategy
Networking
Julian Rosenberger von Papstein
Next Gen Rosenberger Group / Angel Investor
- Mentor
- Sustainability
Business Angel
Alexander Keck
Founder and Managing Director at Unternehmergold GmbH
- Mentor
Taxes
Finance
Thomas Gaube
Management Professional & Business Angel
- Mentor
- Startups
Financing strategy
Tech
Business Angel
Evelyn Diemann
Founder & CEO Markenbewegung / Think Offsite
- Mentor
- Startups
Communication
Entrepreneur
Marketing
Constanze Buchheim
Partner Manager & Founder at i-potentials GmbH
- Mentor
- Tech
Entrepreneur
HR
Business Angel
Christoph Baier
Managing Director at Ambivation
- Mentor
- Artificial Intelligence, PropTech, CleanTech
Entrepreneur
Sales
Strategy
Enrico Bernardo
Managing Director at WEVENTURE
- Mentor
- E-commerce
Management Skills
Entrepreneur
Marketing
Daniel Höpfner
Founding Partner and Managing Director at building10
- Mentor
- Startups
Entrepreneur
Strategy
Venture Capital
Marie Bos
Managing Partner at M&H Advisory and Investments
- Mentor
- GreenTech, Sustainability
Communication
Management Skills
Business Angel
Julius Bachmann
Executive coach to VC-backed founders
- Mentor
- Startups
Leadership
Management Skills
Strategy
Christian Dahlen
Software Executive and Investor
- Mentor
- B2B software
Investor
B2B SaaS
Business Angel
Thomas Waldmann
Start-Up & Venture Manager at Würth Group
- Mentor
- Electronic, E-mobility
Management Skills
Entrepreneurship
Strategy
Dana Alpar
Lawyer Associate at Osborne Clarke
- Mentor
- Legal
International
Venture Capital
Legal
Peter Konhäusner
Managing Director at PetKon
- Mentor
- Startups
Communication
Entrepreneur
Marketing
Dr. Arndt Schwaiger
Digital Business Models and Artificial Intelligence Expert
- Mentor
- Artificial Intelligence
Investor
Entrepreneur
Tech
Marcus Netzel
Head of Division / General Manager EuroNorm GmbH
- Mentor
- Finance, Startups, Tech
Leadership
Management Skills
Financing strategy
Dominik Tobschall
Early-stage VC at Speedinvest
- Mentor
- Venture Capital
Financing strategy
Investor
B2B SaaS
Dr. Christian Segal
Head of Sales for Digital Industry at Berliner Sparkasse
- Mentor
- Finance
Financing strategy
Sales
Bernhard Janke
Tech Investor at 468 Capital
- Mentor
- Venture Capital
Investor
B2B SaaS
Tech
Mirco Dragowski
Strategic Advisor
- Mentor
- Startups, Tech, GovTech
Leadership
Communication
Entrepreneurship
Investor
GovTech
Robin Müller
CTO at Verlag Der Tagesspiegel
- Mentor
- Tech, Software
Entrepreneurship
Investor
Entrepreneur
CTO
Strategy
Rayk Reitenbach
Investment Director at IBB Ventures
- Mentor
- Finance, Startups
Entrepreneurship
Financing strategy
Investor
Pitch Training
Tech
Tim Vogelsang
Founder and Managing Director Octorank
- Mentor
- Startups
Entrepreneur
Sales
Strategy
Torsten Meyer
Sales Expert, Entrepreneur, Seed Investor
- Mentor
- E-commerce
Entrepreneurship
Investor
Pitch Training
E-commerce
Sales
Strategy
Robin Eyben
Venture Capital and M&A Partner at Osborne Clarke
- Mentor
- Legal
Taxes
International
VC
Legal
Robert Maier
Business Angel at Saarbrücker21
- Mentor
- Finance
Management Skills
E-commerce
Entrepreneur
VC
Maxie Matthiessen
CEO FEMNA Health
- Mentor
- Health
Leadership
Communication
Entrepreneurship
Marketing
Martin Müller
VP Operations at Wooga
- Mentor
Leadership
Entrepreneurship
Entrepreneur
Product Development
Engineer
Martin Arnold
Tax and Legal Partner at AMI Arnold Legal / AMI
- Mentor
- Finance, Legal
Taxes
Financing strategy
Manuel Prinz
Product Manager at TikTok
- Mentor
- FinTech, E-commerce
Management Skills
E-commerce
International
Strategy
Product Development
Lisa Lang
Founder at ThePowerHouse
- Mentor
- Fashion Tech, Creative Industries
Management Skills
Entrepreneurship
International
Marketing
Prof. Christian Stummeyer
Professor of Digital Commerce, Entrepreneur, Senior Advisor
- Mentor
Entrepreneurship
E-commerce
Dr. Annette Koch
Executive Interim Manager and HR Consultant
- Mentor
Management Skills
HR
Fabian Leipelt
Principal @ WestTech Ventures
- Mentor
Venture Capital
B2B SaaS
Enterprise Software
Future of Work
Valentin Degen
Managing Director @ International Showtimes
- Mentor
Communication
Marketing
Business Intelligence
Harlad Bos
Managing Director @ M&H Advisory and Investments GmbH
- Mentor
Vision
Strategy
Impact
Alexander Kölpin
Managing Director at seed + speed Ventures
- Mentor
- Startups
Communication
Strategy
VC
Marina Wöber
Coach and Talent Development Consultant
- Coach
Leadership
Communication
Team Development
