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small brandlLeadership

Executive Team

Robert C. Rowe
Chief Executive Officer

  • Current position since August 2008
  • Board member since August 2008 
  • 20-plus years energy and utility industry experience
  • Co-Chair of the Institute for Electric Innovation, an Institute of the Edison Foundation focused on advancing the adoption of innovative and efficient technologies among electric utilities and their technology partners that will transform the power grid; a member of the EEI Board of Directors and Executive Committee; a member of the American Gas Association Board of Directors and Executive Committee; Western Energy Institute past chair and current executive committee member
  • Former chairman and commissioner of the Montana Public Service Commission from 1993-2004, and also served as president of the National Association of Regulatory Utility Commissioners (NARUC)

Brian B. Bird
President and Chief Operating Officer

  • Responsible for corporate development and operations, including electric and natural gas transmission and distribution, energy supply, customer care, and technology.
  • Previously Chief Financial Officer from 2003-2021
  • In current position since 2021
  • Experience with energy and other large industrial companies since 1986

CrystalDLailColor Crystal D. Lail
  Vice President and Chief Financial Officer

  • Responsible for accounting, financial reporting, payroll, accounts payable, regulatory accounting, SOX controls, treasury, internal audit, enterprise risk management, financial planning and analysis, tax, investor relations, compensation and benefits..
  • Current position since 2021
  • In utility industry since 2003

Heather H. Grahame
General Counsel and Vice President of Regulatory and Federal Government Affairs

  • Responsible for all in-house and outside legal activities, all state regulatory affairs, federal government affairs, risk management, contracts, and South Dakota and Nebraska government affairs
  • Current position since 2010
  • Practicing law since 1984 (representing utilities since the early 1990s)

Michael R. Cashell
Vice President - Transmission

  • Responsible for all electric transmission and natural gas transmission, storage operations, substations, FERC/NERC compliance and support services
  • Current position since 2011
  • In utility industry since 1986

John D. Hines
Vice President - Supply/Montana Government Affairs

  • Responsible for electric and natural gas planning, procurement and generation operations, the company's environmental function and Montana's government affairs
  • Current position since 2011
  • In utility industry since 1989

Curtis T. Pohl
Vice President - Distribution

  • Responsible for electric and natural gas distribution operations, safety and support services
  • Current position since 2003
  • In utility industry since 1986

web SchroeppelBobbiA0082 Bobbi L. Schroeppel
  Vice President - Customer Care, Communications and Human Resources
  • Responsible for customer care, economic development, key account management, community relations, corporate communications and human resources.
  • Current position since 2002.
  • In utility industry since 1994

Jeanne M. VoldJeanne M. Vold
Vice President - Technology

  • Responsible for technology and telecommunications operations.     
  • Current position since 2021
  • In utility industry since 1999

Key Management

Jeffrey B. BerzinaJeffrey B. Berzina

  • Responsible for Accounting and Financial Reporting activities
  • Current position since April 2020
  • 18 years accounting and finance experience in the utility and energy sectors

 McClainAndrew-_M4B9820WebM. Andrew McLain
FERC Compliance Officer

  • Responsible for all FERC Compliance activities
  • Current position since February 2012
  • 10 years environmental and regulatory legal experience in the utility sector

Travis MeyerTravis E. Meyer
Director of Corporate Finance & Investor Relations Officer

  • Responsible for corporate planning and investor relations activities
  • Current position since 2012, previously in financial planning and analysis since 2002

Michael L. NiemanMichael L. Nieman
Chief Audit and Compliance Officer

  • Responsible for internal audit activities, including monitoring of internal controls and enterprise risk management
  • Responsible for coordinating compliance activities in accordance with the company's Code of Conduct and Ethics
  • Reports functionally to the Audit Committee of the Board of Directors 
  • Current position since 2010, previously Internal Audit and Controls Officer since 2005

Timothy P. OlsonTimothy P. Olson
Senior Corporate Counsel and Corporate Secretary

  • Responsible for corporate governance activities
  • Current position since 2010


Daniel L. RauschDaniel L. Rausch
Treasurer and Corporate Development Officer

  • Responsible for treasury functions, including capital procurement, cash management, credit, handling of the Company’s banking relationships, and working with senior management on strategic direction of the Company
  • Current position since 2012

small brand Board of Directors

Dana J. DykhouseDana J. Dykhouse
Chairman of the Board

Committees: None
Director since January 30, 2009

Mr. Dykhouse is the Chief Executive Officer of First PREMIER Bank and also serves on the boards of Junior Achievement of South Dakota, the South Dakota State University Athletic Champions Council, Sioux Falls Development Foundation, Children's Care Hospital Foundation and Sioux Falls Sports Authority.

Mr. Dykhouse resides in Sioux Falls, S.D. and is a graduate of South Dakota State University.

 web ClarkAnthony0059Anthony T. Clark

Committees: Nominating and Governance, Human Resources
Director since December 6, 2016

Mr. Clark is a Senior Advisor at Wilkinson Barker Knauer, LLP. With offices in Washington, DC and Denver, it is one of the largest law firms in the U.S. dedicated primarily to the practice of communications and energy law. He has extensive experience in energy and utility policy at the federal and state level. Having been appointed by President Obama, and unanimously confirmed by the U.S. Senate, Mr. Clark served from 2012 to 2016 as a Commissioner of the Federal Energy Regulatory Commission. From 2001 to 2012 he was a Commissioner of the North Dakota Public Service Commission, including over 5 years as its Chairman. During his tenure at the North Dakota Commission, Mr. Clark was selected by his regulatory peers across the nation to serve a term as President of the National Association of Regulatory Utility Commissioners.

From 1999 to 2000, Mr. Clark was Labor Commissioner of the State of North Dakota and a member of the Cabinet of then Gov. Ed Schafer. In 1994 he was one of the youngest people ever elected to the North Dakota legislature, representing a portion of the City of Fargo for two terms in the State House of Representatives.

He is a graduate, with honor, from North Dakota State University and holds a master’s degree from the University of North Dakota. Having attained the rank of Eagle Scout in his youth, Mr. Clark has been a long-time volunteer with and supporter of the Boy Scouts of America. He and his wife have 3 children and reside in Ashburn, VA.

 Jan R. Horsfall Jan R. Horsfall

Committees: Safety, Environmental, Technology and Operations (Chair), Audit
Director since April 23, 2015

Mr. Horsfall is the Managing Partner of Red Surfboard, LLC, a business consultant practice focused on the Energy Tech, Bio Tech, Ag Tech and Consumer Packaged Goods (CPG) sectors. He also is the active president and chief executive officer of Maxletics Corporation, a political-sector technology company; former chief executive officer of Universal Lubricants, LLC (2012-14), chief marketing officer of Turbine Inc.; founder and CEO of Gemini Voice Solutions, Inc.; vice president of marketing for Lycos, Inc., and vice president of consumer brand strategy for Valvoline.

Mr. Horsfall resides in Colorado Springs, Colo. and holds a bachelor’s degree in Business Administration from Colorado State University. He also earned an Executive Certificate from Indiana University.

 web IdeBritt0122Britt E. Ide

Committees: Safety, Environmental, Technology and Operations;
                     Human Resources
Director since April 27, 2017

Ms. Ide is president of Ide Energy & Strategy. She previously served as senior counsel of Idaho Power Company and filled legal leadership roles at Healthwise Inc., Albertson’s Inc. and Boise Cascade Corp. She is a director on the Big Sky (MT) Chamber of Commerce and serves on the boards of Atlis Motor Vehicles and Hotrock Energy Research Organization; and was appointed to Montana’s Clean Power Plan advisory council and as an ambassador for the Clean Energy Education & Empowerment Initiative, a U.S. Dept. of Energy, Massachusetts Institute of Technology and Stanford University collaboration.

Ms. Ide resides in Bozeman, Mont. She holds a bachelor’s degree in mechanical engineering from The Ohio State University, a master’s in environmental engineering from Montana State University, and a juris doctor from the University of Utah College of Law.

 Robert C. RoweRobert C. Rowe

Committees: None
Director since August 13, 2008

Mr. Rowe is the Chief Executive Officer of NorthWestern Corporation since 2008, Co-Chair of the Institute for Electric Innovation, a member of the EEI Board of Directors Executive Committee, a member of the American Gas Association Board of Directors, a member of the Yellowstone Forever Board of Directors (the official non-profit partner to Yellowstone National Park), the University of Montana Foundation Board of Directors, the Jack Creek Preserve Board of Directors and Western Energy Institute past chair and current executive committee member.

Mr. Rowe resides in Helena, Mont. He holds a BA from Lewis and Clark College in Portland, Oregon, a JD from the University of Oregon, completed the Kennedy School Senior Executives' Program, and is active in various legal and professional organizations.  

web SullivanLinda0116 Linda G. Sullivan

Committees: Audit (Chair), Safety, Environmental, Technology and Operations
Director since April 27, 2017

Ms. Sullivan is the retired executive vice president and the chief financial officer of American Water, the largest publicly traded U.S. water and wastewater utility. She has 22 years of experience with the Edison International companies, last serving as senior vice president and CFO at Southern California Edison from 2009 to 2014. She has 25-plus years of utility finance and regulatory experience and is a Certified Public Accountant and Certified Management Accountant.

Ms. Sullivan resides in Moneta, New Jersey. She holds a bachelor’s degree in business administration and accounting from Portland State University and is a certified public accountant and certified management accountant.

YazdiMahvash Yazdi

Committees: Human Resources (Chair),
                     Safety, Environmental, Technology and Operations 
Director since Dec. 1, 2019

Ms. Yazdi is president of Feasible Management Consulting, providing strategic consulting in energy and technology. She is also the former senior vice president and chief information officer of Edison International and former vice president and chief information officer for Hughes Electronics in the aerospace and defense sector. Ms. Yazdi holds a Masters in Business Administration degree from the University of Southern California.

She is nationally recognized as an expert in corporate information technology, drawing from more than 38 years of experience across three industries and continents. She has dedicated her life to serving others, exemplified by receiving the prestigious Ellis Island Medal of Honor and publishing her charitable memoir, 60:60 Celebrating Sixty Years With Sixty Acts Of Kindness. She resides in Rancho Palos Verdes, CA.

YinglingJeffrey W. Yingling

Committees: Nominating and Governance (Chair), Audit
Director since Oct. 29, 2019

Mr. Yingling is a Partner of Energy Capital Ventures, a strategic venture fund formed to invest in early stage energy companies. Immediately prior to forming this fund, Mr. Yingling was a senior advisor of investment banking at Guggenheim Securities, LLC, specializing in power, energy and renewables. He has more than 35 years of investment banking experience, serving as an advisor to companies in the power and utilities sector.

His career has included senior investment banking positions in the power and utilities sector with J.P. Morgan, Morgan Stanley, Dean Witter Reynolds and The First Boston Corporation. He also currently serves on the board of directors of LendingPoint Consolidated, Inc., and the board of trustees of the Chicago Historical Society. He previously served on the board of directors of Navigant Consulting, Inc., until that company’s sale to Guidehouse. He resides in Kenilworth, IL.


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