Expert Network

A Collective of independent experts in battery Technology and e-mobility

Who we are

Your Expert Network for Innovation in Battery Technology and E-Mobility

A team of renowned, independent experts in the field of battery technology and e-mobility innovation. Together, we cover a wide range of competencies, from battery engineering to infrastructure planning and business strategy consulting.

As a network of independent but collaborating entrepreneurs, our unique strength lies in providing fast, agile and high-quality support tailored to your business.

Let’s Power and E-Mobilize the future, together.

B2B Marketing & Business Development

Dr. Julian Renpenning

JulianRenpenning blue v1

Freelancer/Consultant in B2B Marketing / Business Development

Julian brings extensive expertise in research, management, and marketing to the battery technology industry. He earned a Ph.D. in Engineering from the Technical University of Berlin and has a strong scientific foundation in Analytical Chemistry, developed through his work as a researcher at the Helmholtz Research Center. After transitioning to industry, he joined Thermo Fisher Scientific in 2019 and moved up to the position of Marketing Manager, where he oversaw B2B marketing throughout EMEA, planned and executed European strategic objectives, and ensured global alignment. Julian is passionate about driving the growth of innovative battery technology companies and suppliers through strategic B2B marketing and business development.

  • B2B marketing for the battery industry, science & technology 
  • Digital marketing and business development strategy
  • Battery material analysis and quality control
  • Since 2023: Freelancer with Battery-Tech Network / Creative Marketing for Science & Technology
  • 2019–2023: EMEA Marketing Manager at Thermo Fisher Scientific
  • 2015–2018: Analytical method development at Helmholtz UFZ
  • Dr.-Ing. in Biotech & Process Engineering
  • Inbound/outbound marketing programs
  • International project management
  • Digital marketing strategies
  • SEO and content creation
  • Business intelligence services
  • Solid research track record backs up proven scientific expertise.
  • Business development and B2B digital marketing support.
  • Development and implementation of comprehensive marketing strategies that are based on digital, content, and agile methodologies.
  • Skilled in copywriting for technical, scientific, and educational content for SEO.
  • Provides in-depth market intelligence for the battery industry for the community and clients.
  • Creating targeted marketing campaigns to support sales efforts.
  • Helping develop strategic relationships and collaborations with the Battery-Tech Network.

Innovation diplomat, consultant, engineer

Simon Voss

Simon Voss

Founder and Chief of BETTERE GmbH

Simon Voss, Founder and CEO of BETTERE®, is an innovation diplomat, consultant, and engineer advancing battery technology and e-mobility. Educated at the PEM institute at RWTH Aachen University, he developed the CELLFAB battery pilot production line and led the Electromobility Laboratory and Office for E-Mobility at RWTH Aachen. Simon founded BETTERE to educate professionals and the public through the E-Mobility Innovation Podcast and Lecture Series, sharing insights from national and international conferences. His competencies include building the BETTERE Network of high-profile experts, B2B knowledge communication, engineering support in battery development, strategic e-mobility advice, and mentoring executives through Management meets Meditation.

  • Battery production engineering
  • Product and business development
  • Entrepreneur in e-mobility
  • Since 07/2024: CEO of BETTERE GmbH
  • 2022–2024: Head of Elektromobilitätslabor (eLab) at RWTH Aachen
  • 2019–2022: Scientific staff at RWTH Aachen (battery production)
  • M.Sc. in Sustainable Energy, B.Sc. in Mechanical Engineering
  • Leadership in laboratory facilities
  • Project management for battery modules/systems
  • Technical project leadership
  • Pilot battery cell line development
  • Team coaching and workshop moderation
  • Building the BETTERE Network, a collaborative team of independent, high profile experts.
  • B2B knowledge communication through the E-Mobility innovation podcast.
  • Engineering support in battery development and production 
  • Strategic advice E-Mobility innovation
  • Founder and Mentor of Management meets Meditation, supporting Executives on uniting professional performance with personal wellbeing.

Specialized management consulting

Lukas Kothmeier

Lukas Kothmeier

Managing Director of LKMC GmbH and Consultant

Lukas Kothmeier, Founder and CEO of LKMC, is driven by working with committed project teams and motivated managers, believing that such teams can find solutions that others might not initially consider possible. He has a natural aptitude for orchestrating and leading diverse teams, whether as a basketball coach, music ensemble organist, youth group event leader, or project team leader, and has extended this leadership into many professional areas. His communicative, organizational, technical, and commercial skills enable him to advise on projects facing various challenges and to lead diverse project teams effectively. Lukas finds fulfillment in his passions, which include making music, leading basketball games, youth work, and skydiving.

  • Project execution planning
  • Launch and production of battery production
  • Project management coaching for battery projects
  • Battery products strategy development
  • Since 02/2023: Managing Director of LKMC GmbH
  • 2021–2023: Freelance E-Mobility Consultant
  • 2015–2021: Various roles at BMW AG
  • M.Sc. in Mechanical Engineering/Production Technology
  • M.Sc. in Management & Technology
  • PMP certification
  • Led 50+ e-mobility projects for 30+ clients
  • Project planning in battery production
  • Strategic support in sales/purchasing
  • Team training and coaching
  • Workshop facilitation
  • Project Management – standards, risk and cost management
  • E-Mobility Consulting – specialized solutions and transition guidance
  • Process Optimization – efficiency improvements and workflow security
  • Technical Design – product and production system development
  • Leadership Support – coaching, crisis management and recruitment
  • Training Services – workshops, communication and mediation skills

Mechanical engineering & project management

David Struck

David Struck

Owner of CREOVION

David is a multidisciplinary mechanical engineer and project manager with roots in the automotive industry and a passion for creation. His main focus is on the conception and design of technical products and how to make them visible, understandable and perceptible to the customer throughout the development process. He has gained extensive experience as a research engineer, team leader and strategic management assistant at the Institut für Kraftfahrzeuge RWTH Aachen University and fka GmbH and is now seeking new challenges as an independent engineer and creator.

  • Product development
  • Mechanical design
  • Visualization in automotive
  • Since 07/2024: Owner of CREOVION
  • 2018–2024: Lead Engineer at fka GmbH
  • 2014–2018: Research Engineer at RWTH Aachen
  • Dipl.-Wirt.-Ing in Mechanical Engineering
  • Technical product development
  • CAD design and simulation
  • 3D scanning and printing
  • Advanced visualization (2D, 3D, VR, XR)
  • Development reviews
  • Finding solutions for technical challenges
  • Conception, design and realization of technical products
  • Visualization in 2D, 3D, VR, XR

Testing & certification processes consulting

Johannes Roessner

Johannes Roessner

Managing Director of batch2 engineering GmbH

Johannes Roessner is a leading battery validation and safety expert with more than 15 years of experience ensuring state-of-the-art solutions for the battery industry. As co-founder and managing director of batch2 engineering GmbH, Johannes specializes in improving the safety, efficiency and regulatory compliance of batteries for a diverse clientele – including battery test labs, manufacturers and companies handling battery systems. Johannes’ career includes key roles at TÜV SÜD in Munich, where he managed the full spectrum of battery testing – from performance and environmental assessments to abuse testing – from cell level to system level validation. His international experience includes seven years in Japan and China, where he oversaw the design, construction, and operation of state-of-the-art battery testing laboratories. Extending the company’s expertise, batch2 engineering also provides comprehensive hydrogen component and system validation services to serve the growing hydrogen economy. 

  • Battery safety
  • Testing protocols
  • Regulatory standards
  • Since 08/2024: CEO of batch2 engineering GmbH
  • Since 07/2022: CEO of BT Advisor UG
  • 2011–2022: Various roles at TÜV SÜD
  • Dipl.-Ing. in Electrical Engineering
  • Battery laboratory planning/setup
  • Test plan development
  • EU Battery Regulation advising
  • Laboratory business case development
  • Training in battery safety and compliance
  • Test laboratory planning and setup for battery and hydrogen facilities
  • Certification and approval management services, specializing in CE conformity and industry-specific standards
  • Technical testing program design and management for innovative battery products
  • Battery handling process optimization, covering the entire chain
  • Technical training and staff development for companies transitioning to battery and hydrogen technologies

project management

Dr. Maximilian Wagner

Maximilian Wagner 2

Network Manager and Project Manager

Maximilian Wagner is a skilled electrochemist specializing in cell characterization and impedance spectroscopy. With a solid academic foundation, he bridges the gap between academia and industry at the TraWeBa Battery Network as Cluster Manager, fostering connections across the entire battery value chain and facilitating effective information transfer and collaboration among diverse companies. Maximilian provides comprehensive market overviews, cultivates strategic partnerships, and organizes workshops and webinars to drive innovation in the battery industry. His extensive experience as a Project Manager and Group Leader at the Leibniz Institute for Surface Engineering (IOM) in Leipzig has advanced the electrochemical analysis of batteries and fuel cells. Additionally, he serves as a Lecturer for Electrochemistry at the University of Leipzig, sharing his expertise with the next generation of scientists.

  • Electrochemistry
  • Network building
  • Battery value chain
  • Since 2024: Cluster Manager at TraWeBa Netzwerk
  • 2022–2024: Group Leader at Leibniz Institute
  • 2015–2022: Project leader/researcher
  • M.Sc. in Electrochemistry
  • B.Sc. in Chemistry
  • Industry network management
  • R&D project leadership
  • Consortia creation
  • Funding application advising
  • Electrochemical expertise
  • Leadership and Management: Led the Electrochemistry group at the Leibniz Institute in Leipzig and currently manages the TraWeBa Battery Network, connecting stakeholders across the battery value chain.
  • Academic and Industry Expertise: Lecturer for Electrochemistry at the University of Leipzig with deep expertise in impedance spectroscopy and electrochemical analysis.
  • Project and Event Coordination: Experienced in managing complex projects and organizing workshops and webinars to facilitate knowledge transfer and industry collaboration.

Machine learning & big data

Dr. Christopher Hecht

Christopher Hecht

Senior Project Engineer – Bidirectional Charging

Christopher Hecht specializes in applying machine learning, big data, and various analytics tools to both private and public electric vehicle charging processes, whether managed through charging stations or directly by vehicles. Improved user incentives, technical utilization of vehicle capabilities, and better interaction with electricity markets are some of the things Christopher focuses on at The Mobility House. In collaboration with RWTH Aachen University, he works on public charging infrastructure, optimizing both the placement of new charging stations and the utilization of existing ones. Additionally, Christopher is an expert in battery aging, cell chemistries, and stationary storage systems, and he possesses expertise in software development and agile working methodologies, drawing from his experience with The Mobility House and RWTH Aachen University.

  • Smart and bidirectional EV charging
  • Charging infrastructure
  • Product management
  • Since 2024: Cluster Manager at TraWeBa Netzwerk
  • 2022–2024: Group Leader at Leibniz Institute
  • 2015–2022: Project leader/researcher
  • M.Sc. in Electrochemistry
  • B.Sc. in Chemistry
  • Since 03/2025: Senior Project Engineer (Smartlab)
  • 2023–2025: Product Manager at The Mobility House
  • 2018–2024: Scientist at ISEA, RWTH Aachen
  • PhD (summa cum laude)
  • M.Sc. in Renewable Energy & Power Systems
  • Conference organization and leadership
  • Agile product development with Tier 1 OEMs
  • Infrastructure planning consulting
  • Business model development
  • Workshop leadership and keynotes

Production, ramp-up & optimization

Dr. Sebastian Gillen

Sebastian Gillen

Managing Partner at LKMC GmbH

  • Operations, production, and ramp-up optimization
  • Project execution and supplier management
  • Sample phase production planning
  • Since 05/2023: Managing Partner at LKMC GmbH
  • 2021–2023: Production Manager at BMW Group
  • 2018–2021: Project Manager at BMW Group
  • 2016–2018: Team Leader at BMW Group
  • Dr.-Ing. in Mechanical Engineering
  • High-volume production management
  • Strategic technology project leadership
  • Ramp-up management
  • Organizational development
  • Supplier and personnel management
  • Conference organization and leadership
  • Agile product development with Tier 1 OEMs
  • Infrastructure planning consulting
  • Business model development
  • Workshop leadership and keynotes

R&D Solution Architect

Pierre Siebentritt

Pierre Siebentritt

R&D Solution Architect

  • Software architecture
  • Agile project management
  • Smart platforms & automation
  • 2024–2025: Freelance Technology Advisor
  • 2015–2025: Technical Executive at Motius GmbH
  • 2009–2013: Freelance Web Development
  • B.Sc. in Informatics (Games Engineering)
  • Solution architecture development
  • System design and product roadmaps
  • Agile project management
  • UI/UX design and AI integration
  • MVP development and feasibility studies

Data Science & Machine Learning

Jens-Peter Joost

Jens Peter Joost Profilbild 1000x1000

Freelance Data Scientist

  • Machine learning
  • AI and optimization
  • Logistics optimization
  • Since 04/2025: Freelance Data Scientist
  • 2023–2025: Senior Data Scientist at DHL
  • 2019–2023: Data Scientist at Deutsche Post DHL
  • M.Sc. in Mathematics (Optimization)
  • B.Sc. in Mathematics
  • AI applications in logistics
  • Supply chain simulation software
  • GenAI business process integration
  • Route and network optimization
  • AI-driven consulting and training

Specialized management consulting

Jan Figgener

Jan Figgener

Expert in Battery and EV Market Analysis

Jan Figgener holds a degree in Industrial Engineering with a specialization in Electrical Energy Technology from Aachen and Istanbul. From 2017 to 2023, he worked at the Institute for Power Electronics and Electrical Drives (ISEA) at RWTH Aachen University under Professor Dirk Uwe Sauer, where he led the Department of Grid Integration of Batteries and Storage System Analysis, focusing on stationary battery storage, electric vehicles, sector coupling, and battery aging. Jan provided consultancy to national and international companies and ministries on battery storage solutions. An experienced speaker, he has conducted numerous workshops and presentations, including at the Smarter E 2023 press conference, and has been featured in publications such as Spiegel Online and Süddeutsche Zeitung. Currently, Jan serves as a battery expert in the industry, responsible for planning multi-megawatt-class battery storage systems, modeling batteries, and developing diagnostic algorithms. Additionally, he co-manages the market website www.battery-charts.de with RWTH Aachen and organizes an electromobility conference with Christopher Hecht. 

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