Teamwork and an internalized hands-on mentality are our top priorities. We strive to make our internal processes as simple as possible and support each other in managing everyday tasks. Our team thinks innovatively, solution-oriented and sustainable.

Management Board

Tajo Adler
CEO & Managing Partner

Passionate Entrepreneur & Visionary
Just as with his passionate hobby tennis, Tajo takes every ball in his business life and tries to transform it. Very determined, he inspires his team with his vision and leads them in a world where energy is exclusively produced in a renewable way.

Klaudia Szymanszyk
Assistance to the Management

Talent in Organization & Eagle Eye
By contributing her creative ideas and organizational skills, Klaudia has been supporting the management at ADLER since 2020 and works as a personal assistant in the company. Born in Bremen, she recently moved to beautiful Hamburg, and thus remains loyal to northern Germany.

Project Development

Joscha Lauer
Head of Project Development

Professional in Sustainability & Do-Gooder
The electrical engineer lives and breathes the topic of sustainable energy generation and regularly sets the team on fire with his passionate attitude. As a role model in this field, he also has an extensive technical knowledge in project development and electrical design of charging infrastructure. Today, he heads the department of project development at ADLER.

Karina Wiening
Project Manager

Project Manager & Sustainability Guru
Karina wants to make a difference – both professionally and privately. She joined the team at the beginning of 2020 to provide targeted support for project management in the field of electromobility. She has previously gained experience as a project manager at VentusVenture. Currently, Karina is working under the leadership of Joscha Lauer in project management for the Shell mandate.

Pawel Bancarzewski
Project Engineer

Haven of Tranquility & Project Checker
The industrial engineer with an additional degree in supply and plant engineering, supports Joscha Lauer in the field of project development. Before joining ADLER, he was employed as a project manager at coenergetyka in Hamburg, where he implemented charging infrastructure projects in the sector of fast charging.

Andrej German
Assistant Project Development

Sporting Ace & Team Player
Andrej demonstrates his team spirit both at work in team project develepment and through his hobby, playing volleyball. He supports the team as a working student in the commercial area and will focus on the development of sustainable projects in the future.

Amir Mahdavi
Project Engineer

Admirer of Future Technologies
Amir has been convinced a long time ago that renewable energies will be the only source of energy of the future. That’s why he laid the foundation for his career in renewables by studying renewable energy technology and electrical engineering. Today, he contributes his extensive knowledge to the project development of ADLER as a project engineer. Amir is enthusiastic about the current development of electromobility as well as about the future of mobility. In his spare time he loves to tinker with drones.

Hauke Fröhlich
Project Manager

Cheerfully at Work & Nature Lover
For the industrial engineer from Schaumburg, his name is program, as “Fröhlich” means “Happy” in Geman. With his positive outlook on life, he also wants to focus on the topic of sustainability in his profesional life as a senior project manager at ADLER and sets new impulses with his own concepts. In his free time, he likes to be out in nature when he’s not running or playing music.

Project Implementation

Adam Halaburda
Head of Project Implementation

Sun Lover & Curious Leader
Due to some stays abroad, Adam contributes understanding, openness and cultural knowledge to the team. The graduate engineer has among others worked for the E.ON AG and truly is a professional in the field of photovoltaics and in convincing people of his product with a great deal of expertise and empathy. He operates in a managerial capacity and is responsible for the entire department of project implementation.

Julian Bernauer
Project Manager

Passionate PV Professional & Multitasker
From intern to full-time PV professional: Julian is passionate about sustainable energy production and enriches our team with his constant helpfulness and tireless commitment. With his expertise in photovoltaics , he supports Adam in the development of our projects and always keeps track of everything.

Michal Bartoszewski
Assistant Project Implementation

The dedicated one & good Soul
Michal supports the ADLER team with a lot of commitment and welfare and you can always rely on him. In 2020, he joined ADLER as a working student. Since 2016, he has been studying environmental engineering at the University of Applied Sciences in Hamburg.

Jonas Rosen
Project Manager

The open-hearted socializer
The electrical engineer is eloquent and communicative, which he has proven in over 15 years as a promoter throughout Germany. At ADLER, he is currently acquiring expertise in the field of grid connection and supports the team of project implementation in technical project design.

Sandor Foeldesi
Construction Leader

Problem solver on the roof
As a project manager, Sandor uses his more than 15 years of experience on construction sites all over the world profitably for the construction of photovoltaic systems and, in the future, also charging infrastructure. Based on his experience, he profesionally works out safe solutions even for complicated challenges. In his spare time, the father of two is passionate about photography.


Daphne Ravens
Head of Marketing & Public Relations

Communication talent & Multitasking Queen by heart
Her heart beats for corporate communications at ADLER – she leads her marketing team with a lot of passion, woman power and team spirit. Having seen the world and studied in London and Turin, she is living now in the countryside with her family, a dog, some chicken and a horse. Here she feels right at home.

Verona Dereser
Human Resources Manager & Communication Designer

Creative & Bachelorette 2021
Verona always keeps cool and enriches the team with her calm and solution-oriented manner. After successfully completing her studies in communication design in February 2021, she has recently joined the ADLER team in full-time to support the HR and marketing department. Amongst others, we owe her a new and fresh CI as well as the graphic excellence of the sales and corporate materials.

Mathea Jensen
Assistant Marketing & Sales

Good Vibes only & Power Woman
The tourism manager has many talents and is currently developing her networking skills and sense of good content at ADLER: With her constant search for fresh wording and interesting facts, she was responsible for the relaunch of this website and enriches our social media channels with her creativity and antenna for trends.

Controlling & Office Management

Nadine Ritter
Office Manager

Our ace in every match
Nadine keeps the balls in midair for us as Office Manager: The skilled hotel specialist knows how to keep an overview in every situation from her previous professional life. She is our organizational talent and cares with heart and mind for the well-being of all ADLER.

ADLER Italia

Matthias Halaburda

PV Expert by Heart and Soul
As a graduate engineer, Matthias is our specialist in the field of photovoltaics in the source market of Italy. Matthias has been building, supervising and managing large-scale PV investments in Italy since 2010. As managing director, he takes care of the investments for ADLER Smart Solutions Italia. Matthias combines his technical know-how with his European PV network and has already been successful in generating high quality projects for us.

Michele Benedetto
Project Acquisition

Strong-minded Professional in networking
The communicative expert in the field of photovoltaics has already gained valuable experience in project development in the field of renewable energies and is mainly active in the south of Italy. Michele is dedicated to the acquisition of new customers in the field of large-scale industrial plants for roof and open spaces and has already made numerous acquisitions for ADLER.

Team Support

Our Company Dog

Curious Bundle of Energy
Our little newcomer Peanut, makes friends with everyone very quickly and always puts us in a good mood, especially on stressful days. His energy is catching and he is always happy to be petted.