With the right people, capabilities, and local insights
Hekikai Energy is positioned to support Japan’s transition towards a more flexible, resilient, and renewable energy system, and we aim to contribute to the energy transition by developing and deploying solutions that enhance renewable energy integration, improve grid flexibility, and create long-term value through strategic investments and sustainable energy partnerships.
About our team
Meet some of the people behind Hekikai Energy to learn more about our expertise.
Kazufumi Takahashi
Chief Development Officer
Mr. Takahashi holds a B.A. in Politics and Law from Keio University, Tokyo. He began his career at Itochu Corporation in 1997, spending over a decade in brand marketing before moving into solar business development, where he led the IPO of Scatec Solar on the Oslo Stock Exchange. He subsequently joined Japan Wind Development Co., Ltd., progressing from Kyushu Branch Manager to Deputy General Manager, where he directed bid submissions for the 415MW Noshiro and 730MW Yurihonjo offshore wind projects. Since 2022, he has served as Country Head, Offshore Power Japan at Shell Energy Asia, leading Japan's offshore wind strategy and team. He brings over 12 years of renewable energy business development experience across solar, onshore, and offshore wind.
Dario Tarquini
Development Director
Mr. Tarquini holds a Master of Engineering in Sustainable Energy from RMIT, Melbourne, and a Master of Engineering in Chemical and Process Engineering from the University of Pisa. He began his career at Exemplary Energy as an Engineer Resource Coordinator and Data Analyst, delivering solar, weather, and climate data sets for national energy modelling. In 2023, he joined Blue Power Partners, progressing from Acquisitions Engineer to Acquisitions & Development Manager, where he directed due diligence across a 1.75 GW Australian pipeline and a 200 MW wind portfolio in Japan. Since January 2025, he has served as Senior Acquisitions & Development Manager, leading the company's market expansion strategy in Japan. He brings deep technical expertise across wind, BESS, and pumped hydro project development.
Nikos Chrysafis
Commercial Director
Mr. Chrysafis holds an MSc in Sustainable Energy and Environment from Cardiff University, Wales, and an MEng in Mechanical and Industrial Engineering from the University of Thessaly, Greece. He began his career at Vattenfall A/S in Copenhagen through a two-year graduate program in thermal engineering, followed by a role as Specialist in Cowi A/S's Thermal Energy Department. Since 2014, he has served as Senior Consultant, New Technologies - Power Generation at Ramboll Energy, where he has led feasibility studies for hybrid power plants and served as a key specialist in energy storage solutions and technical due diligence. He is IPMA certified, with over a decade of experience spanning new-build, retrofit, and O&M energy projects.
Megumi Onose
EPL Specialist
Ms. Onose began her career in customer-facing and administrative roles across the cosmetics and medical device industries before transitioning into renewable energy project development in 2017. She has since built extensive experience in environmental impact assessment and stakeholder engagement across solar and wind projects, including a five-year tenure at INFLUX Inc., where she managed EIA processes for three offshore and one onshore wind project from early-stage assessment through community consensus-building and permitting. Her expertise spans environmental survey management, permit and government relations, and coordination with engineering and community relations teams. She is proficient in QGIS and has completed specialized training in consensus building at the Tokyo Institute of Technology. She currently serves at AMP-lify Co., Ltd., managing project development for PV projects.
