Empowering Energy Storage
Meet Our Expert Team
Our team is dedicated to providing sustainable battery solutions for homes and businesses, ensuring energy resilience and efficiency.
Our Team
We are committed to excellence and innovation, ensuring that every interaction promotes confidence in our services. Together, we strive to build a sustainable and resilient future for our partners and clients.
Contact us by email using the format: firstname.lastname @baaswise.com
Meet Our Leadership Team

Jukka Järvinen,
Founder
A serial entrepreneur in the battery and electric vehicle industry since 1998, Jukka has played a pivotal role in advancing modern energy technologies. He is the inventor of the world’s first smart, actively balancing Battery Management System (BMS) for Li‑ion cells — a breakthrough that has reshaped how battery safety and performance are managed, even in everyday devices like the laptop you’re using today. With deep strategic insight, strong innovation capabilities, and an extensive international network, he provides the leadership that drives our company’s competitiveness and long‑term success.
+358 45 311 21 59

Johannes Helander,
Co-founder & Chief Software Architect
Bringing four decades of international experience, including a notable tenure at Microsoft Research in Redmond, he has established himself as a leader in global innovation. He is the author of numerous peer‑reviewed publications, an inventor with over 30 patents, and a sought‑after speaker at international events. He has played a key role in founding more than a dozen companies across three continents and has contributed to several major EU‑funded research projects. His extensive governance experience includes serving on non‑profit boards, steering groups, presidiums, and expert panels throughout Europe and the United States.

Jari Kaitera,
Chief Financial Officer
A seasoned expert in finance, growth companies, and executive leadership, he has extensive experience in driving strategic development and international expansion. His background includes key roles at QPR Software, Stora Enso Trackway, Finantix (Temenos), and Votech, where he contributed to financial management, scaling operations, and long‑term strategic planning.
+358 40 9635120

Jaakko Järvistö,
Chief Commercial Officer
He leads the development of our commercial operations, supported by a strong background in sales leadership at ABB and Metso Automation. His experience includes serving in global leadership roles in Germany, Switzerland, Taiwan and Australia building deep expertise in international markets and customer strategy.

Ismo Kallioniemi,
Chief Legal Officer
With more than three decades of legal experience, he is a recognized expert in intellectual property, regulatory strategy, and risk management. His background includes extensive work in technology transfers, licensing structures, and due‑diligence assessments. He is also the author of a published book on the legal implications of AI systems, highlighting his leadership in navigating the legal challenges of emerging technologies.

Toni Wahlfors,
Chief Operating Officer
With extensive experience in design, engineering, sales, and business development, he brings a strong operational background to our team. His career spans senior roles across international and domestic companies. He has managed complex building and HVAC projects and driven business development initiatives in both technical and commercial environments. Known for his innovative mindset and strong problem‑solving abilities, he plays a key role in optimizing our operations and supporting scalable growth.
Under Our Jacket
Join Our Team
Current Openings
THERE ARE NO OPENINGS AT THIS TIME
IF YOU’RE INTERESTED IN POSSIBLE FUTURE OPENINGS,
PLEASE, DROP US A LINE AT
info@baaswise.com