Our Leadership

Kelcey A. Brown
President and CEO, MidAmerican Energy

Kelcey Brown serves as MidAmerican Energy's president and CEO. MidAmerican provides electric and natural gas service to nearly 1.6 million customers in Iowa, Illinois, Nebraska and South Dakota. The company owns and operates a diverse and growing portfolio of power generating assets, as well as an expanding transmission and distribution infrastructure. Brown began her employment with the Berkshire Hathaway Energy family of businesses in 2011 when she joined PacifiCorp in Portland, Oregon. From 2011 to 2020, Brown served in various regulatory, commercial and operational roles, most recently as the vice president of energy supply management, where she was responsible for the energy imbalance market analytics, policy research, contract administration and short-term load forecasting. Prior to joining PacifiCorp, Brown was a senior economist at the Oregon Public Utility Commission and an economist at Blackfoot Telecommunications. On January 26, 2021, she assumed the role of president and CEO at MidAmerican. Brown graduated from the University of Wyoming with a degree in regulatory economics, and she served in the U.S. Navy for five years, with most of her enlistment on board the USS Nimitz aircraft carrier.

Thomas B. Specketer
Vice President and Chief Financial Officer

Tom Specketer is the vice president and chief financial officer for MidAmerican Energy. He has held his current position since 1999 and has been in the Berkshire Hathaway Energy family of businesses since 1980. His primary areas of responsibility include accounting, financial reporting, regulatory reporting, tax and budgeting, and forecasting activities for the company, as well as regulatory accounting oversight for all regulated domestic Berkshire Hathaway Energy entities. During his tenure, Specketer has held various staff and managerial positions within the accounting, tax and finance departments. He is a member of Edison Electric Institute’s Chief Accounting Officers Committee and the American Gas Association Accounting Advisory Council. He earned a bachelor’s degree in mathematics from Morningside College in 1979.

Peggi S. Allenback

Senior Vice President, Thermal Generation, Market Operations and Supply

Peggi Allenback is the senior vice president of thermal generation, market operations and supply for MidAmerican Energy. Allenback has been with MidAmerican and its predecessor companies since 1992. She has held a variety of leadership roles in gas supply, gas operations, electric trading and generation. In her current role, Allenback is responsible for the strategic operation and management of MidAmerican’s thermal generation assets, the long-term procurement and planning of MidAmerican’s natural gas supply, and electric market operations. She has an accounting degree from Briar Cliff University.

Michael C. Fehr
Senior Vice President, Renewable Generation and Compliance

Mike Fehr is the senior vice president of renewable generation and compliance at MidAmerican Energy. He has been with the Berkshire Hathaway Energy family of businesses since 2010. In his current role, Fehr is responsible for the operations of MidAmerican’s growing renewable generation fleet, which currently includes more than 3,000 wind turbines, as well as maximizing the output of renewable generation and developing long-term operations plans for the future. He is also responsible for MidAmerican’s environmental, NERC compliance and right of way workgroups. Before joining MidAmerican, Fehr was employed for 14 years by a consulting engineering firm, holding various design engineering and engineering management positions. Fehr earned bachelor’s degrees in animal science and mechanical engineering from Iowa State University and a Master of Business Administration degree from the University of Kansas. He is a licensed professional engineer in Kansas.

Scott L. DeRosier
Vice President, Thermal and Fluid Generation

Scott DeRosier is the vice president of thermal and fluid generation for MidAmerican Energy. His responsibilities include oversight of five major thermal electric generating facilities, three liquefied natural gas production facilities, three diesel-powered generating stations with more than 20 separate engines, and multiple combustion turbine sites. DeRosier has been with MidAmerican since 2013 and has held a variety of leadership positions in the electric generating facilities as well as safety and training. Prior to joining MidAmerican, DeRosier was employed at Cooper Nuclear Station in Nebraska and served in the U.S. Navy for eight years as a submarine nuclear machinist.

Michael A. Gehringer
Vice President, Customer Operations

Mike Gehringer is the vice president of customer operations for MidAmerican Energy. In 2001, he joined MidAmerican as a safety supervisor and was a part of the safety organization for seven years. He currently oversees the customer operations team, which includes credit, billing, bill processing and office support. Customer operations also directs field operations areas of electric metering, customer field operations and customer project coordination. Prior to joining MidAmerican, Gehringer worked at various companies performing environmental, health and safety work. He earned a degree in industrial technology from Iowa State University.

John A. Guy

Vice President, Electric Delivery

John Guy is the vice president of electric delivery and oversees the overall planning, construction, operation, maintenance and control of MidAmerican Energy’s electric distribution, substation and transmission systems. Guy has been with MidAmerican since 2006. He has held a variety of engineering and management positions in electric operations and engineering. Guy earned a bachelor’s degree in electrical engineering from Iowa State University and a master’s of business administration from the University of Northern Iowa. He is a licensed professional electrical engineer in Iowa.

Tina L. Hoffman
Vice President, Corporate Communications and Public Affairs

Tina Hoffman is the vice president of corporate communications and public affairs for MidAmerican Energy. She joined the company as the director of corporate communications in 2016. In her current role, Hoffman oversees the areas of brand development, media relations, employee and customer communications. She earned a bachelor’s degree from Drake University.

Adam N. Jablonski
Vice President, Project Development

Adam Jablonski is the vice president of project development at MidAmerican Energy. In his current role, Jablonski is responsible for the evaluation, development and construction activities associated with new generation, energy storage projects, electric vehicle infrastructure and other large projects for the company. He has been with MidAmerican since 2007, and prior to his current position, he served in various roles supporting the development and operation of the company’s wind generation projects. Before joining MidAmerican, Jablonski was employed by a civil engineering consulting firm, designing various infrastructure projects. He earned a bachelor’s degree in civil engineering from Iowa State University.

Kathryn M. Kunert
Vice President, Economic Connections and Integration

Kathryn Kunert is the vice president of economic connections and integration for MidAmerican Energy. She joined the government affairs department as a legislative grassroots coordinator in 1996. During her career, she has had responsibilities in the areas of government affairs, community relations, economic development and corporate communications. In her current role, Kunert oversees key accounts, business accounts, business and community development, franchises, sponsorships and donations, and other special projects. She earned a bachelor’s degree from the University of Northern Iowa.

Mark D. Lowe

Vice President and General Counsel

Mark Lowe is the vice president and general counsel for MidAmerican Energy. In this capacity, he oversees the legal, regulatory and rates, and government affairs divisions for the company. Lowe joined MidAmerican in February 2020 as a senior attorney and has represented the company in a range of areas, including major litigation and other contested or disputed matters; safety, employment and benefits matters; and development and real estate work. Prior to MidAmerican, Lowe served as the director of the Iowa Department of Transportation, where he led transportation and economic development initiatives throughout the state. He earned a bachelor’s degree from Iowa State University and a juris doctor degree from Drake University Law School.

Chelsea C. McCracken
Vice President, Safety, Training and Development

Chelsea McCracken is the vice president of safety, training and development for MidAmerican Energy. McCracken joined MidAmerican in 2012 and has held a variety of different human resources roles involving learning and talent development, employee and labor relations, and staffing and compensation. In her current role, McCracken is responsible for providing employee training and development activities, training technology initiatives, registered apprenticeship programs and implementing company-wide safety practices. She earned a bachelor’s degree from the University of Northern Iowa.

Nick J. Nation

Vice President, Gas Delivery

Nick Nation is the vice president of gas delivery for MidAmerican Energy and oversees the overall planning, construction, operation and maintenance of MidAmerican’s natural gas system. Nation started his career as an intern for the company in 2006 and officially joined the company in 2007. Prior to his current role, Nation held a variety of progressive engineering and management positions within the electric delivery department. He earned a bachelor’s degree in electrical engineering from Iowa State University and a master’s of business administration from Drake University. Nation is a licensed professional electrical engineer in Iowa.

Ryan M. Sawyer

Vice President, Human Resources

Ryan Sawyer is the vice president of human resources for MidAmerican Energy. In this capacity, he oversees the talent recruitment, development and engagement of MidAmerican’s employees. The human resources department also handles labor and employee relations, compliance, employee benefits, payroll, human resource information systems, and employee learning functions. Prior to joining MidAmerican in 2016, Sawyer was responsible for labor and employee relations and human resources functions for a global manufacturing company and worked as an attorney in private practice. He earned a bachelor’s degree from Wartburg College and a juris doctor degree from the University of Iowa College of Law.

Arick R. Sears

Vice President, Regulation

Arick Sears is the vice president of regulation for MidAmerican Energy. Arick also currently serves as the co-chair for MidAmerican’s Diversity, Equity and Inclusion Council. Prior to joining MidAmerican, Arick worked in the D.C. consumer advocate office and the Public Service Commission. He earned a bachelor’s degree in psychology from Georgia State University and a juris doctor degree from Washington and Lee University School of Law.

Dehn A. Stevens

Vice President, Transmission Development and Planning

Dehn Stevens is the vice president of transmission development and planning for MidAmerican Energy. In his current role, Stevens is responsible for electric transmission development, electric system planning and generation resource planning for MidAmerican. Stevens has been with MidAmerican since 1991 and has held a variety of leadership roles within the company, including most recently as vice president, gas delivery. Stevens earned a bachelor’s degree in electrical engineering from Iowa State University in 1991. He is a licensed professional electrical engineer in Iowa.