Meet the Team

  • Rich Langdale

    FOUNDER

    Rich brings over 25 years of expertise in wholesale distribution, marketing, and logistics. As a leader in innovation and strategy, Rich has been instrumental in developing the processes and partnerships that drive Exel Solar's growth. His involvement in initiatives like the Ohio Lt. Governor's Innovation Committee highlights his commitment to advancing sustainable energy solutions and supporting Exel Solar's mission to deliver exceptional value to its partners.

  • Bill Frank

    INVESTOR

    Bill is a seasoned serial entrepreneur and veteran investor with a distinguished career dedicated to scaling disruptive technology and high-growth business models. A recognized leader in the Central Ohio economic community, he combines deep expertise in venture capital and strategic planning with a hands-on approach to managing portfolio companies toward successful exits. Outside of his professional ventures, Bill is a staunch advocate for veteran causes, volunteering his time to support organizations focused on TBI treatment and suicide prevention.

  • Hector Silveyra

    EXEL MEXICO FOUNDER

    Hector Silveyra is a visionary entrepreneur and a pioneer in the Latin American technology and renewable energy sectors, serving as the founder of both Exel del Norte and Exel Solar Mexico. With a career spanning decades of transformative leadership, he has built some of the region's most influential distribution networks, successfully scaling complex operations from foundational startups into market-leading enterprises. As a co-founder of the team, Hector leverages his deep industrial expertise and strategic foresight to drive international growth and champion the adoption of sustainable energy solutions on a global scale

  • Diana Kumse

    BUSINESS DEVELOPMENT

    Diana Kumse is a strategic growth leader with an extensive background in the renewable energy sector, specializing in the development of turnkey solar projects and engineering services for multi-building corporate accounts. She excels at navigating the full project lifecycle—from technical deal structuring and EPC partnership development to closing high-value contracts—ensuring that complex solar solutions align perfectly with long-term financial and sustainability goals.

  • John Underwood

    PRODUCT & LOGISTICS

    John Underwood is a veteran supply chain strategist and operations leader with over two decades of experience in optimizing complex distribution networks and logistics workflows. He specializes in developing high-efficiency product solutions and managing large-scale infrastructure, having previously overseen multi-facility operations and high-volume distribution centers to drive significant cost reductions and operational excellence.

  • Kelsey Langdale

    CHIEF OF STAFF

    Kelsey is a dynamic marketing and technology leader with a unique blend of experience in strategic problem-solving, team development, and mission-driven innovation. Her background in nonprofit leadership, software development, and grassroots initiatives has honed her ability to align teams with organizational goals while fostering creativity and collaboration. Kelsey’s passion for creating meaningful solutions makes her an invaluable asset to Exel Solar’s mission of advancing renewable energy.

  • Emily Frank

    SALES OPERATIONS

    Emily is a skilled sales operations specialist who excels at streamlining internal processes and providing critical support to high-performing sales teams. With a professional background rooted in complex event coordination and operational logistics, she brings a meticulous, detail-oriented approach to ensuring seamless execution and efficiency across the sales cycle.

  • Kyna McCarley

    ACCOUNTING + HR

    Kyna has a proven track record of supporting business owners and executives across various industries. Her expertise spans finance, human resources, public relations, and operations, making her a versatile and invaluable asset to any organization. With a career dedicated to streamlining processes, managing high-level administrative tasks, and fostering organizational efficiency, Kyna excels at keeping executives and their teams organized and focused on achieving their goals. Her skills in event planning, bookkeeping, and team coordination have consistently driven success and high functionality in the businesses she supports.