SOLON MARDAPITTAS​
CHIEF EXECUTIVE OFFICER
Solon assumed the position of CEO in February 2023 and has led the business through a period of rapid growth. Previously, Solon oversaw all product development, product optimisation, technical issues, and R&D. This encompassed numerous engineering disciplines, from large scale power engineering and design to micro-scale engineering such as PCB design. Solon holds a master’s in chemistry, which includes research projects in organic electronics, and is also a member of the Royal Society of Chemistry and the Institute of Directors.
DAVID SEABRIDGE
David joined the Powerstar team as Chief Financial Officer in September 2022 and is responsible for all company finances, FP&A activity, and Human Resources. He is qualified accountant with over 20 years of senior Board Level experience in financial, commercial, and operational roles in high growth and complex businesses where he has been key to strategy and market development. He has a reputation for driving fast, sustainable, profitable growth both organically and through the identification, execution and integration of acquisitions and building value for shareholders. David has a proven track record of implementing change management initiatives through deep involvement in the company’s operations, sponsoring critical appraisals of all aspects of each business unit and introducing continuous improvement methodologies.
BOB DRUMMOND
EXECUTIVE CHAIRMAN
Bob has 40 years experience in the oil & gas industry and has served as Chief Executive Officer for 20 years before becoming Hydrasun’s Executive Chairman in 2024. Before this he worked in senior management positions for major energy and services companies both in the UK and internationally. He has extensive experience in strategic and operations management. Bob has an MBA from Aberdeen University.
COLIN WELSH
STEVE LOCKARD
Steve is the former CEO and current Chairman of TPI Composites and led the company to become the largest independent global wind blade manufacturer, with over 15,000 employees. He also recently helped spearhead the creation of the newly established American Clean Power Association (ACP).
SIMON PORT
Simon joined Powerstar in March 2022. A Member of the IET, Simon has years of experience in the Oil and gas industry and extensive knowledge of Low Voltage AC System and DC systems.
His attention to detail and passion for electrical engineering means Simon has established a proven track record of leading engineering teams with a strong focus on accuracy and integrity. Simon is responsible for design and engineering at Powerstar, as well as ensuring compliance with all required regulations.
OLIVIA ZENG
Since January 2021, Olivia has been the Head of Microgrids at Powerstar. Olivia directs and supports her team in developing advanced modelling, simulation, and AI algorithms, creating, and implementing customised control strategies, designing PCB control boards, and developing SCADA systems for a range of applications, including smart grids, large-scale UPS, energy saving and optimisation systems.
Olivia leads her team to work closely with other departments in delivering sound technical solutions for commercial projects. With a PhD in Power System and Control Engineering and an impressive portfolio of papers, patents, and software copyright, Olivia brings a wealth of knowledge and expertise to her current position. She joined the South Yorkshire Network Young Professional with the IET and is now pursuing a Leadership and Management diploma.
JAMIE MCMASTER
Head of programme delivery
Jamie has worked in the green renewables and energy sector for 15 years, bringing a wealth of experience to his role as Head of Programme Delivery at Powerstar.
In his role at ITM Power, he played a key role in the first project to inject hydrogen into the UK natural gas grid since the 1950s. Jamie has delivered projects across the UK, France, Germany, Austria and Australia.
In addition to his technical expertise, Jamie brings a wealth of knowledge in planning, QA/QC, HAZOPs, DFMEA, DVPSOR, test planning (FAT&SAT), quality assurance, compliance (UKCA/CE), and logistics.
CHRIS BALDWIN
Chris joined Powerstar with over 20 years of energy industry experience under his belt, working in a variety of sales and leadership roles in the industrial and commercial market. He has provided solutions and consultancy for a wide range of technologies and renewable energy markets, including a role at market-leading energy transition advisory firm LCP Delta.
Chris leads the Powerstar sales team with a focus on providing solutions that fit the exact needs of clients, as well as delivering strategic growth and developing lasting partnerships.
GEMMA QUINN
Gemma is an experienced and commercially orientated HR professional who is used to working at a strategic level with senior leaders and as a business partner across a general HR remit. Gemma joined Powerstar in May 2023, having spent over 20 years working in the discipline across various sectors.
Gemma is responsible for providing HR strategy, as well as managing payroll, employee benefits and recruitment, professional development and employee engagement.
LEE RUSSELL
Lee Russell is a seasoned software engineering professional with a background in Physics from The University of Warwick. With extensive experience spanning diverse industries such as aerospace, defense, automotive, rail, food processing, and renewables, Lee has led the creation of tailored software solutions.
As the Head of Software, Lee oversees strategic development initiatives, ensuring alignment with organizational goals. Known for his talent nurturing and adeptness in driving change, Lee is a valuable asset to the leadership team, shaping the company’s software landscape with a pragmatic approach and commitment to excellence.
- Voltage Optimisation
