» Leadership


The expertise and empowerment to propel the business forward.

Board of directors

  • Chairman of the Board

    James A. Sharman

    James A. Sharman was appointed Chairman of the Board in May of 2017, after having joined the Spartan Board in February 2016 as an Independent Director. He brings a diverse background to the Spartan Board including executive and leadership roles in global supply chain management/logistics, general management and private equity. Mr. Sharman currently serves as the Chief Operating Officer of Coyote Logistics, LLC, a UPS company. Prior to that, he spent a number of years as Principal of Truecast Capital, LLC. His work history includes President and CEO of World Kitchen, Inc. and Rubicon Technology, as well as SVP; Global Supply Chain at CNH and  VP General Manager, Latin America, for the Case Corporation. He served as the Commanding Officer of an Engineering Company in the US Army and was an Assistant Professor at the United States Military Academy, West Point.  He holds a Master in Business Administration from Duke’s Fuqua School of Business and a B.S. in Engineering from the United States Military Academy at West Point.

  • Chief Executive Officer and Director


    Daryl M. Adams, a 30-year automotive executive, was quickly elevated to President and Chief Executive Officer of Spartan Motors, Inc., in February 2015, after joining the organization in August 2014, as Chief Operating Officer. Bringing vast experience in the areas of improving operational efficiencies, lean manufacturing, and continuous improvement, Mr. Adams ushered Spartan Motors through the turnaround and into Spartan’s growth phase. Prior to Spartan Motors, Mr. Adams served as the Chief Executive Officer of the privately held Tier One automotive supplier Midway Products Group. During his eight-year tenure with Midway Products Group, the company experienced significant growth and operating improvements. Before joining Midway Products Group, he held a succession of management positions with Lear Corporation, one of the world’s largest automotive suppliers. His experience included senior leadership roles in Lear’s North American and European operation. Mr. Adams holds a Master’s in Business Administration degree from Michigan State University and a Bachelor of Science degree in Industrial Management and Manufacturing from Lawrence Institute of Technology.

  • Director


    Rick Dauch joined the Spartan Motors Board in 2010 as an Independent director. Dauch has served as the Chief Executive Officer of Delphi Technologies, global technology leader in vehicle propulsion systems, since 2019. Prior to joining Delphi, in 2011, Dauch became President and CEO of Accuride Corporation, a manufacturer and supplier of commercial vehicle components. He has served as the President and CEO of global mechanical fastener supplier Acument Global Technologies, Inc., headquartered in Troy, Mich., joining the company in 2008. He held prior leadership roles during a 13-year career at American Axle & Manufacturing, as well as at United Technologies Carrier Corporation, after concluding an 11-year career in the United States Army. Dauch serves on the Board of Directors and is President of the West Point Army Football Club. Dauch is a graduate of the United States Military Academy at West Point and the MIT "Leaders for Global Operations" program.

  • Director


    Ron Harbour joined the Spartan board in April 2009. Ron is consulting firm Oliver Wyman’s partner responsible for global automotive manufacturing. Since 1983 Mr. Harbour has had broad experience in the assessment, development and implementation of quality, cost and productivity improvements at factories worldwide. Mr. Harbour authors "The Harbour Report", the pre-eminent annual assessment of automotive manufacturing performance around the globe. Mr. Harbour is in high demand as a speaker and commentator on the automotive industry and is regularly quoted on TV, radio and the Internet.

  • Director


    Andrew M. Rooke joined the Spartan Motors Board in 2012 as an Independent Director. Mr. Rooke brings to the Board a diverse background, including experience and knowledge in finance, international business, and manufacturing. He has served as President and Chief Operating Officer of Manitex International, Inc.—a leading North American manufacturer of engineered lifting equipment—since 2007. Prior to joining Manitex, he was Director of Industrial Holdings for Quantum Value Management, a corporate development firm based in Troy, Michigan. His professional experience includes GKN Sinter Metals, where he served as Chief Financial Officer, and with other organizations that include Quaker Oats, Ltd., and Rolls Royce, Ltd. Mr. Rooke holds a Bachelor of Arts degree in Economics from the University of York, England, and is a Chartered Accountant.

  • Director


    Dominic Romeo joined the Spartan Motors Board of Directors as an Independent Director in October of 2017. Prior to joining Spartan, Mr. Romeo served as the Senior Vice President and Chief Financial Officer of Thor Industries, Inc. He brings to the Board a wealth of expertise in finance, accounting, and mergers and acquisitions, which he garnered from his tenure at global industrial manufacturing companies such as the IDEX Corporation, where he held progressive positions including Vice President and Chief Financial Officer; Honeywell (formerly Allied Signal), where he held a number of CFO positions across segments; AAR Trading; GE Aircraft Engines; and Price Waterhouse. Mr. Romeo also sits on the Boards of BBB Industries and Novanta. Mr. Romeo holds a Bachelor of Arts degree in both Accounting and Business Administration, from Manchester University.

  • Director


    Thomas R. Clevinger was appointed to the Spartan Motors Board of Directors in 2018 as an Independent Director. Mr. Clevinger brings with him a wealth of expertise in global commercial vehicle sales and support, with an emphasis in aftermarket parts and service sales and distribution. He currently serves as the CEO and Managing Partner of Cornerstone Growth Advisors, LLC., a consulting firm that focuses on strategic growth initiative advisory, namely for the automotive and commercial vehicles industries. Prior to his work at Cornerstone, Mr. Clevinger held numerous progressive positions at Navistar and PACCAR where he oversaw global sales and distribution operations for parts and service support, across an esteemed 30-year career. Mr. Clevinger holds a Bachelor of Science in Business and a Master of Arts in Leadership and Organizational Development, both from the City University of Seattle.

  • Director


    Paul A. Mascarenas joined the Spartan Motors Board of Directors in 2018, bringing with him extensive experience in global automotive leadership, engineering, and research and development, particularly in the areas of alternative drive technology and mobility platforms. Mr. Mascarenas’s rich career in leadership with Ford Motor Company spanned 32 years and consisted of progressively senior executive leadership roles, leading cross functional teams from across the globe to advance high-stakes innovations such as product development process overhauls to autonomous driving technologies and vehicle-to-infrastructure communications. Mr. Mascarenas currently serves on the boards of the United States Steel Corporation and ON Semiconductor Corporation, and serves as a Strategic Advisor and Member of the Technology Advisory Council for Magna International. Mr Mascarenas served as President of FISITA (The International Federation of Automotive Engineering Societies) from 2014-2016, and is the President-Elect for SAE International, 2019. He holds a Bachelor of Science degree in Mechanical Engineering from the University of London, King’s College, United Kingdom, and an honorary doctorate degree from Chongqing University, China. He has also attended Director’s Education programs at Stanford Law School and Harvard Business School. In 2015, he was awarded on OBE by Her Majesty Queen Elizabeth II, for his services to the automotive industry.

  • Director


    Jeri L. Isbell was appointed to the Spartan Motors Board of Directors in July 2018, bringing 25 years of varied senior experience in roles such as Chief Human Resources Officer, Vice President of Compensation and Benefits, Vice President of Finance, Division Chief Financial Officer, and U.S. Controller. She currently serves as a director of Atkore International, a manufacturer and distributor of electrical raceway products, where she chairs the compensation committee and is a member of the audit committee. She is also a director of SiteOne Landscape Supply Inc., where she chairs the compensation committee and serves on the nominating and governance committee. Ms. Isbell serves on The Nature Conservancy (Kentucky Chapter), and the Graduate Degrees for Minorities in Engineering and Science (GEM) Consortium. She earned a Master of Business Administration from Xavier University, a Bachelor of Business Administration in Accounting from Eastern Kentucky University, and is a Certified Public Accountant. Ms. Isbell is a 2018 inductee into the Hall of Distinguished Alumni of Eastern Kentucky University.

Company officers

  • Chief Administrative Officer


    Thomas Schultz joined Spartan Motors as the Corporate VP of Human Resources in 2014, bringing with him experience in transformational roles across numerous human resources, legal affairs, supply chain, procurement, contract negotiations, audit, labor relations, finance, and manufacturing process improvement functions. Mr. Schultz’s pragmatism, deep understanding of workforce dynamics, and his drive to demonstrate that an organization’s “support functions” can add value to the bottom line of a business propelled him into Spartan’s first ever Chief Administrative Officer role, where he presides today. Prior to joining Spartan, Mr. Schultz was Director, North America where he led HR’s corporate functions at BASF; prior to that, he served as the Senior Vice President of Human Resources at Energy Conversion Devices and United Solar Ovonics. At United Technologies Corporation, Mr. Schultz was the North American Director at Carrier Corporation where he provided HR leadership to eight different businesses in various stages of turnaround. Mr. Schultz started his career at American Axle & Manufacturing where he held various progressive manufacturing, labor relations and human resources roles over an 11 year period. Mr. Schultz earned his Juris Doctorate degree from the University of Detroit, his Master’s degree in Labor and Industrial Relations from Michigan State University, and his Bachelors of Science degree in Political Science/Public Administration from Western Michigan University.

  • Chief Financial Officer and Treasurer


    Frederick "Rick" Sohm was appointed Chief Financial Officer of Spartan Motors, Inc. in September 2015. Mr. Sohm’s career spans more than 20 years during which time he has held several executive and leadership positions in finance and accounting at world-class companies such as ArvinMeritor, Inc. and DaimlerChrysler Corporation. His background includes domestic and global experience in both the manufacturing and non-manufacturing sectors. Mr. Sohm most recently served as the Treasurer of ALTe Technologies, a start-up company that produces alternative fuel systems for the commercial vehicle market. Prior to that, he was the Chief Financial Officer of Warrior Sports, Inc., a position he held from 2009 to 2014. His educational background includes a Bachelor of Business Administration degree in Finance from Oakland University, as well as a Master of Business Administration degree in Finance from the University of Detroit-Mercy.

  • Chief Legal Officer


    Ryan Roney joined Spartan Motors in April 2017 serving as the Company’s Chief Counsel. In July 2018, Ryan was promoted to Chief Legal Officer and Corporate Secretary. Mr. Roney’s career spans more than 20 years, during which time he has held several executive and leadership positions in public and private companies. His background includes domestic and global experience in both the manufacturing and non-manufacturing sectors. For more than a decade, Mr. Roney served as the global General Counsel for Smiths Detection, an anti-terrorism technology company that manufactures specialty vehicles and products to secure ports and borders around the world. He most recently served as Executive Vice President, Chief Administrative and Legal Officer for one of the nation’s largest, publicly traded, post-secondary proprietary educational institutions. In addition to his legal background, Ryan has also served in a variety of business roles, including Executive Vice President of Business Development, President, and CEO. He is the founder of a non-profit organization that designed a method to deliver warm, purified water to people in need across the globe, and serves as a senior advisor to the National Warrior Foundation, an organization dedicated to assisting veterans returning from Iraq and Afghanistan. Mr. Roney earned his law degree from Pepperdine School of Law, where he graduated magna cum laude.

  • President, Spartan Specialty Vehicles


    Steve Guillaume began his career with Spartan Motors in January, 2015. Mr. Guillaume's deep domain expertise in the automotive and specialty vehicle manufacturing segments coupled with a broad leadership background translated into an immediate impact for the company in growth and EBITDA enhancement. Prior to joining Spartan, Mr. Guillaume had a rich 24 year history at Navistar, rising through the ranks, commanding senior leadership positions across multiple business functions, including Finance, Accounting, Business Development, Sales and Marketing, and Program Management, before entering General Management. Mr. Guillaume then held numerous Vice President and General Manager roles, across multiple segments including specialty vehicles, commercial trucks, and diesel engines. He earned his Masters of Business Administration degree from Northwestern University's prestigious Kellogg School of Management, and has an undergraduate degree from Baylor University in Business Administration/Finance.

  • President, Fleet Vehicles & Services


    Chad Heminover joined Spartan Fleet Vehicles and Services as the Vice President of Operations and Business Development in December 2017, and was appointed as the President of the Fleet Vehicles & Services business unit shortly thereafter, in May 2018. Mr. Heminover brings with him a wealth of experience and success across several domestic and international business turnaround efforts, mergers and acquisitions, and major product launches. He has led teams in the areas of finance, product management, manufacturing, and program management, to name a few. Prior to joining Spartan, Heminover served as a Business Unit President for Taylor Corporation, one of the largest print and communications services providers in the U.S. Chad’s dynamic leadership style, innovative nature, and wide-spanning strategic inputs bring immense value to the business. Mr. Heminover earned his Bachelors of Science Degree in Finance from Minnesota State University.

  • President, Spartan Emergency Response

    Todd Fierro

    Todd Fierro joined Spartan Motors as President of Spartan Emergency Response in January of 2019. Throughout Mr. Fierro’s over 25-year career, he has held progressive leadership positions in companies ranging from start-ups to Fortune 350 businesses. His experience ranges from uniting global business segments for more efficient and profitable go-to-market pursuits, to affecting measurable operational improvements in the businesses he has served. Prior to joining Spartan, Mr. Fierro served as President and Chief Operating Officer for Heilux, a Flexible LED Light Film company, transitioning it to a sophisticated sales and marketing-led organization. Prior positions include President and General Manager of Crown Iron Works, and Segment President and Senior Vice President of Oshkosh Corporation. Todd’s “people first” personal leadership imperative lends him the credibility needed to deliver positive change. Mr. Fierro holds a Bachelor of Science degree in Mechanical Engineering from Wayne State University, alongside specialty certifications from the Center for Creative Leadership in Colorado Springs, Colorado; and the Lean Learning Center in Novi, Michigan.