John Yozamp
CEO and Chairman of the Board
John has been our CEO since inception in June 2016. John boasts over 30 years of sales and marketing experience, of which includes 24 years of product concept, development and manufacturing. John was recognized in the HDTV’s “Best New Idea” at the 2008 Chicago Hardware Show. In 2008, John supported the #1 item sold at the Sam’s club individual road show. Just prior to launching Expion360, John was founder, owner, and operator of the largest solar manufacturing company (Zamp Solar) in the US focusing on the RV and off grid markets.
Paul Shoun
Chief Operating Officer and Director
Paul has been our COO since inception in June 2016. Paul brings over 30 years of engineering experience, including 17 years leading an engineering consulting firm focused on scalability and manufacturability of products through automation and process improvement. He brings extensive expertise in project management , product development, engineering leadership, business accounting, ERP/CRM system management, and product marketing.
Brian Schaffner
Chief Financial Officer
Brian has served as our Chief Financial Officer, beginning in March 2021. He is a seasoned executive having served over the past three decades in a variety of capacities including CEO, CFO, CIO and controller in senior-living, assisted-living skilled nursing facilities and retail stores. Brian’s educational instructional experience includes the secondary and university levels with courses including accounting, management, personal finance, welding, auto mechanics and aviation ground school. Brian graduated from Walla Walla College with a Bachelor of Science in Business Administration and Accounting in 1992, and from the University of Phoenix with a Masters in Business Administration in 1997.
Greg Aydelott
Chief Accounting Officer
Greg has served as the company’s CAO since May 2022. He has more than two decades of experience in financial management and operations, including experience in the areas of accounting, budgeting, business development and strategic planning, M&A, regulatory compliance, facility construction, and customer relations. Greg received his Bachelor of Science degree in business administration from the University of Oregon.
George Lefevre
Independent Director
Mr. Lefevre is a business consultant focused on business development and structural guidance for companies. From 2009 through 2020, Mr. Lefevre was the founder of HAPA Capital, LLC. HAPA was a consulting firm specializing in bio-technology and frontier technology. From 2014 through 2015, Mr. Lefevre was the CEO of a startup company that completed a change in management effective June 26, 2014, and expanded into hemp and cannabidiol (“CBD”) industry. The expansion was focusing on the development, research, and commercialization of products derived from hemp and cannabis plants. From 1991 to 1998, Mr. Lefevre directly invested in and managed investment portfolios. Mr. Lefevre was also the President of GL Investment Group, a regional investment bank in Southern California where he was directly responsible for providing in excess of $500 million in funding to biotechnology and high-tech companies. Mr. Lefevre graduated from California State University, Long Beach with a Bachelor of Science in Business Administration, majoring in Finance.
Steven M. Shum
Independent Director
Steve is the Chief Executive Officer of INVO Bioscience, Inc. (Nasdaq: INVO), a position he has held since October 10, 2019, and is also a director of INVO Bioscience, Inc., a position he has held since October 11, 2017. Previously, Mr. Shum was Interim Chief Executive Officer (from May 2019 to October 7, 2019) and Chief Financial Officer of Eastside Distilling (Nasdaq: ESDI) (from October 2015 to August 2019). Prior to joining Eastside, Mr. Shum served as an Officer and Director of XZERES Corp, a publicly-traded global renewable energy company, from October 2008 until April 2015 in various officer roles, including Chief Operating Officer from September 2014 until April 2015, Chief Financial Officer, Principal Accounting Officer and Secretary from April 2010 until September 2014 (under former name, Cascade Wind Corp) and Chief Executive Officer and President from October 2008 to August 2010. Mr. Shum also serves as the managing principal of Core Fund Management, LP and the Fund Manager of Core Fund, LP. He was a founder of Revere Data LLC (now part of Factset Research Systems, Inc.) and served as its Executive Vice President for four years, heading up the product development efforts and contributing to operations, business development, and sales. He spent six years as an investment research analyst and portfolio manager of D.N.B. Capital Management, Inc. His previous employers include Red Chip Review and Laughlin Group of Companies. He earned a B.S. in Finance and a B.S. in General Management from Portland State University in 1992.
David Hendrickson
Independent Director
David is an accomplished business advisor of publicly traded global corporations across many industries. He has an intimate understanding of effective corporate governance and how it affects a company’s valuation. He has served as Chief Executive Officer of DLH International since 2001. His focus includes board governance, organizational development, C-suite buildouts, strategic planning, compensation, marketing and Environmental, Social, and Corporate Governance (ESG) risk factors. Prior to founding DLH International, he was a Senior Partner and Board Member at Heidrick & Struggles International, Inc., in London, Paris, New York and Greenwich. He was a founding partner of the Firm’s Transnational Practice and a senior member of the Firm’s International Technology Practice.

David serves on the advisory board of a private liberal arts college and has served on private company boards. He served as an elected Board Member of the Rainforest Alliance, New York, NY, and the Stanford Institute for the Quantitative Study of Society (SIQSS), Stanford University. He is an active member of the National Association of Corporate Directors.