Our team

Experts in further education, personnel development, community management

Karin Heinzl

Founder & Managing Director

Karin studied Communication and Politics as well as Political Management. After experience in adult education, politics and development cooperation around women empowerment, Karin founded MentorMe in 2015. Karin has been a board member of the German Society for Mentoring since 2018.


Nadine Henning

Event & Community Manager

Nadine studied archaeological sciences and classical archaeology. In addition to her studies, she worked in the event industry for over 10 years and started her own business as a PR manager with a focus on music and culture . At MentorMe she manages the communication of the community and organizes events.

Phone: +4917623870284

Heike Gaebler

Head of Marketing & Product Owner

Heike studied economics and philosophy. She has professional experience in product and project management in corporations and start-ups and stands for the topics of networks and diversity. At MentorMe she develops digital marketing strategies and leads the development and implementation of the matching software.


Isabel Massa

Corporate Partnerships Manager

Isabel studied Tourism Management in the Netherlands and Cultural & Media Management in Latvia. She gained experience in the fields of education, tourism, and culture in Mexico and Spain. In Berlin, she found herself in sales and has a strong passion for the sustainable and social sectors. At MentorMe, she forges new partnerships and serves as a consultant for our B2B partner matching platform.


Juliane Bormann

Juliane Bormann

Executive Assistant

Juliane studied Communication with a focus on Translation and has worked in the areas of Office Management and Editing in recent years. At the same time, she has established herself as a freelance moderator and communication trainer. At MentorMe, she is the Executive Assistant to the Management Board and works closely with Karin.


Tamar Katsia

Community Manager

Tamar studied Business Administration and gained initial professional experience as an intern at the Georgian Ministry of Education and the Tax Office. She later moved to Berlin and specialized in the field of Social Media and Project Management. At MentorMe, she is responsible for Matching, Events & Digitalization.

Phone: +4917670546166

Carmen Koehler

Carmen Koehler

Community Manager

Carmen studied Translation Studies for Spanish, Portuguese, and English with a focus on Law and Medicine. She worked independently for over 10 years, serving international clients and authorities. After a profound professional reorientation, she joined MentorMe, where she is primarily involved in the areas of Communication and Matching, as well as addressing the needs of our community. Inclusion and diversity are particularly important topics to her.


Carmen Koehler

Louisa Mittmann

Marketing Assistant

Louisa studied environmental sciences and is currently undergoing further training as an Online Marketing Manager. Since graduating, she has worked in various sustainable and non-profit organizations. At MentorMe, she uses the newly learned tools to support online marketing.


Christiana Mensah

Marketing Manager

Christiana studied International Management and is currently completing her Master’s in Digital Business Management. Alongside her studies, she completed further training as an Online Marketing Manager and has since been helping other self-employed individuals build their online presence. After gaining experience in CRM, data management, and pre-sales, Christiana supports MentorMe in all marketing activities.

Aileen Müller-Mechsner

mentoring supervision

Aileen is a certified mediator, coach and lecturer. Before that, she was at Berlin universities, where she managed a family service, among other things. The themes of her heart are family compatibility and conflict resolution through art. She volunteers at MentorMe as a mentor and now a mediator.


Mathias Hamann


Mathias has worked for over 30 media, including Spiegel and Die Zeit. He runs a shelter for refugees and is the founder and trainer of the Institute for Communication and Society. He has received several awards as a trainer and social manager. At MentorMe he leads the training for mentees.


Julia Derndinger


Julia studied business administration at the commercial college in Leipzig before starting her own business. Foundations and management positions followed. Since 2013 she has been advising founders and entrepreneurs full-time, including MentorMe.

Karl Heinz Schulte

Advisory Board

For many years, Karl-Heinz has optimized, transformed and digitized IT and business models at company and group level: in operational and strategic top-level functions; from medium-sized companies to corporations. Today he offers CIO/CDO services for companies in transformation phases and acts as a digital advisor, including at MentorMe.