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About Us / Management Team

Date Requested: Oct 04 2022 11:50 PM

Printable Version
  • Mark Hewett  

    Mark Hewett

    President & CEO

    Prior to joining Northern Natural Gas, Mark was employed by MidAmerican Energy Company from 1987 to 2002.

    Mark Hewett, President & CEO
    Since 2002-Current

    President and CEO of Northern Natural Gas

    August 2002

    2002

    Prior to joining Northern Natural Gas, Mark was employed by MidAmerican Energy Company from 1987 to 2002. He served in a number of management positions at MidAmerican Energy Company, most recently as vice president of energy trading.

    Mark earned a B.S. in management science from Buena Vista College in Storm Lake, Iowa.

    Mark enjoys outdoor activities, such as hunting and fishing.

    Mark is a native of Iowa, is married and has four children.

  • Sara Athen  

    Sara Athen

    Vice President of Human Resources

    Sara joined the BHE Pipeline Group as a senior attorney in 2014. Prior to joining Northern Natural Gas, Sara worked as an attorney at Snell & Wilmer, L.L.P. in Phoenix, Arizona.

    Sara Athen, Vice President of Human Resources
    Since 2014-Current

    Vice President of Human Resources

    June 2017

    2014

    Sara joined the BHE Pipeline Group as a senior attorney in 2014. Prior to joining Northern Natural Gas, Sara worked as an attorney at Snell & Wilmer, L.L.P. in Phoenix, Arizona.

    Sara earned a J.D. from Syracuse University in New York and a B.A. in business administration and retail management from the University of Wisconsin-Stevens Point

    Sara enjoys spending time with family, cooking and traveling.

    Sara is a native of Wisconsin, is married and has two children.

  • Tom Correll  

    Tom Correll

    Vice President of Pipeline Safety and Risk

    Prior to joining Northern Natural Gas, Tom worked for Layne Christensen Company and Terracon Consultants in geotechnical and environmental engineering and contracting.

    Tom Correll, Vice President of Pipeline Safety and Risk
    Since 2004-Current

    Vice President of Pipeline Safety and Risk

    July 2016

    2004

    Prior to joining Northern Natural Gas, Tom worked for Layne Christensen Company and Terracon Consultants in geotechnical and environmental engineering and contracting.

    Tom earned a B.S. in geology from Iowa State University in Ames, Iowa, and an MBA from the University of Nebraska at Omaha. Tom is a licensed professional geologist and a certified hazardous materials manager.

    Tom is a member of the Omaha Northwest Rotary. He enjoys a variety of outdoor activities including running, hiking and golfing.

    Tom has three children.​​​​

  •  ​​

    Laura K. Demman

    Vice President of Customer Service and Business Development

    Prior to joining Northern Natural Gas, Laura was employed at the Nebraska Public Service Commission from 2001-2014, most recently as Director and Legal Counsel of the Natural Gas Department.

    Laura K. Demman, Vice President of Customer Service and Business Development
    Since 2014-Current

    Vice President of Customer Service and Business Development

    May 2019

    2014

    Prior to joining Northern Natural Gas, Laura was employed at the Nebraska Public Service Commission from 2001-2014, most recently as Director and Legal Counsel of the Natural Gas Department.

    Laura earned a B.A. in psychology from Creighton University in Omaha and a J.D. from the University of Nebraska College of Law in Lincoln.

    Laura is a member of the Budget and Planning Committee of the Nebraska State Bar Association. She enjoys musical theater and supporting her children’s activities.

    Laura is a native of Nebraska, is married and has three children.

  •  

    Tom J. Halpin

    Vice President of Marketing

    Prior to joining Northern Natural Gas, Tom spent 10 years employed by Amoco Corporation in various engineering and business reporting ​functions.

    Tom J. Halpin, Vice President of Marketing
    Since 1997-Current

    Vice President of Marketing

    January 2012

    1997

    Prior to joining Northern Natural Gas, Tom spent 10 years employed by Amoco Corporation in various engineering and business reporting functions. Since joining Northern Natural Gas, Tom has held positions in engineering and construction, facility planning, business development, and pricing and storage.

    Tom earned a B.S. in mechanical engineering from the University of Notre Dame in Notre Dame, Indiana. He earned his M.B.A from Creighton University in Omaha, Nebraska

    Tom and his wife serve as board members for a national marriage and family organization and are active volunteers at St. Vincent de Paul Catholic Church in Omaha. Tom is an avid sports fan and enjoys coaching.

    Tom is a native of Illinois, is married and has four children.​​

    ​​

  •  

    Ben Humann

    Vice President of Pricing and Storage​

    Ben has held various positions at Northern Natural Gas, including financial analyst, capacity analysis and several positions within the pricing and storage group.

    Ben Humann, Vice President of Pricing and Storage
    Since 1999-Current

    Vice President of Pricing and Storage

    August 2019

    1999

    Ben has held various positions at Northern Natural Gas, including financial analyst, capacity analyst and several positions within the pricing and storage group.

    Ben earned a B.A. in finance and business management from Northeastern State University in Tahlequah, Oklahoma.

    Ben enjoys playing and coaching various sports and spending time with his family. Ben and his wife are active members of their local church in Omaha, Nebraska.

    Ben is a native of Nebraska, is married and has four children.

  •  

    Steve Jorgenson

    Vice President, Business Optimization & Innovation

    Prior to joining Northern Natural Gas, Steve was employed by Elster American Meter, a natural gas meter manufacturer, in Nebraska City, Nebraska.

    Steve Jorgenson, Vice President, Business Optimization & Innovation
    Since 2007-Current

    Vice President, Business Optimization & Innovation

    June 2022

    2007

    Prior to joining Northern Natural Gas, Steve was employed by Elster American Meter, a natural gas meter manufacturer, in Nebraska City, Nebraska.

    Steve earned a B.S. in agricultural economics from the University of Nebraska-Lincoln.

    Steve enjoys spending time with family and outdoor activities, such as hunting, fishing, and skiing.

    Steve is a native of Iowa, is married with two children.

  •  

    Kirk L. Lavengood

    Vice President, General Counsel and Regulatory Affairs

    Prior to joining Northern Natural Gas, Kirk worked at MidAmerican Energy Company as director of short-term trading and as director of gas supply planning...

    Kirk L. Lavengood, Vice President, General Counsel and Regulatory Affairs
    Since 2003-Current

    Vice President, General Counsel and Regulatory Affairs

    May 2019

    2003

    Prior to joining Northern Natural Gas, Kirk worked at MidAmerican Energy Company as director of short-term trading and as director of gas supply planning. Kirk also practiced law in Detroit with the law firm Kerr, Russell and Weber, PLC, before joining MidAmerican Energy Company. Prior to practicing law, Kirk spent nine years in various marketing and financial capacities with ANR Pipeline Company and ANR Storage Company.

    Kirk earned a B.S. in business from Central Michigan University in Mount Pleasant and a J.D. from Wayne State University in Detroit.

    Kirk likes to play golf, ski, read and travel. ​​​

  •  

    Joe M. Lillo​

    Vice President of Finance

    Joe was employed by Berkshire Hathaway Energy Company beginning in 1996 as manager of financial reporting, then as vice president and controller...

    Joe M. Lillo, Vice President of Finance
    Since 2002-Current

    Vice President of Finance

    August 2002

    2002

    Joe was employed by Berkshire Hathaway Energy Company beginning in 1996 as manager of financial reporting, then as vice president and controller. Prior to joining the company, Joe was a senior associate with Coopers & Lybrand.

    Joe earned a B.S. and an M.S. in accounting from Pace University in New York City.

    Joe is a certified public accountant and a member of the American Institute of Certified Public Accountants and the Nebraska Society of Certified Public Accountants.

    Joe is a native of New York, is married and has four children.




  •  

    Nick Marquardt

    Vice President of Engineering

    Prior to joining Northern Natural Gas, Nick worked for Kiewit Industrial Company in Kansas City for two years.

    Nick Marquardt, Vice President of Engineering
    Since 2006-Current

    Vice President of Engineering

    November 2017

    2006

    Prior to joining Northern Natural Gas, Nick worked for Kiewit Industrial Company in Kansas City for two years. He has held various positions at Northern in design, engineering and management. He also served as company representative throughout the two-year construction of the Cook Inlet Natural Gas Storage Alaska project.

    Nick has a B.S. in mechanical engineering from University of Nebraska-Lincoln and M.B.A. from Bellevue University.

    Nick enjoys outdoor activities, woodworking and CrossFit.

    Nick is married and has twin boys.

  •  

    Brian J. Mundt

    Vice President of Field Operations

    Prior to joining Northern Natural Gas, Brian was employed by MidAmerican Energy Company from 1993‑2009, most recently as general manager at the Walter Scott, Jr. Energy Center in Council Bluffs, Iowa.


    Brian J. Mundt, Vice President of Field Operations
    Since 2009-Current

    Vice President of Field Operations

    February 2013

    2009

    Prior to joining Northern Natural Gas, Brian was employed by MidAmerican Energy Company from 1993‑2009, most recently as general manager at the Walter Scott, Jr. Energy Center in Council Bluffs, Iowa.

    Brian earned a B.S. in mechanical engineering from South Dakota State University in Brookings, and an M.B.A. from the University of Nebraska at Omaha.

    Brian and his wife are active members of St. Columbkille Catholic Church in Papillion, Nebraska. Brian enjoys a variety of outdoor activities such as hunting, snow skiing and water sports, as well as coaching youth sports.

    Brian is a native of South Dakota, is married and has four children.​​

  •  

    Chris Perry

    Vice President of Customer Service

    Chris has held various positions at Northern Natural Gas, including customer service representative, manager of customer service, and account executive in the business development group.

    Chris Perry, Vice President of Customer Service
    Since 2010-Current

    Vice President of Customer Service

    July 2022

    2010

    Chris has held various positions at Northern Natural Gas, including customer service representative, manager of customer service, and account executive in the business development group.

    Chris has a B.S. in marketing management from Bellevue University and is pursuing an Energy M.B.A. from Texas Christian University.

    Chris enjoys spending time with his family, golfing, and coaching youth baseball. He and his wife are also active members of St. Charles Borromeo Catholic Church in Gretna, Nebraska.

    Chris is a native of Nebraska, is married and has three children.

  •  

    Royce Ramsay

    Vice President of Operations

    Prior to joining Northern Natural Gas, Royce spent 20 years employed at Texas Gas Transmission Corporation.

    Royce Ramsay, Vice President of Operations
    Since 2002-Current

    Vice President of Operations

    October 2002

    2002

    Prior to joining Northern Natural Gas, Royce spent 20 years employed at Texas Gas Transmission Corporation. Royce has 25 years of experience in the natural gas pipeline industry in various positions, primarily involving operations.

    Royce earned his B.S. in mechanical engineering from Rose-Hulman Institute of Technology in Terre Haute, Indiana.

    Royce enjoys golf and is a past United Way board member in Lafayette, Louisiana.

    Royce is a native of Indiana, is married and has two children.

  •  ​

    Frank Rozmus

    Vice President of Gas Control and Facility Planning

    Prior to joining Northern Natural Gas, Frank worked as a laboratory technician with MidAmerican Energy Company. Since joining Northern Natural Gas, Frank has held positions in facility planning, gas control and management.

    Frank Rozmus, Vice President of Gas Control and Facility Planning
    Since August 2019-Current

    Vice President of Gas Control and Facility Planning

    August 2019

    2011

    Prior to joining Northern Natural Gas, Frank worked as a laboratory technician with MidAmerican Energy Company. Since joining Northern, Frank has held positions in facility planning, gas control and management.

    Frank has a B.S. in chemical engineering from University of Nebraska-Lincoln.

    Frank and his wife are active members and volunteers at St. Wenceslaus Catholic Church and School in Omaha. Frank also enjoys attending sporting events, running and homebrewing.

    Frank is a native of Nebraska, is married and has four children.​​​​​​​​​​​​​​​​​​​​​​​​​​​

  •  

    LD Stephens

    Vice President of Technical Services

    LD has held various specialist, engineering, and management positions with Northern Natural Gas over the past 37 years.

    LD Stephens, Vice President of Technical Services
    Since 1982-Current

    Vice President of Technical Services

    July 2016

    1982

    LD has held various specialist, engineering, and management positions with Northern Natural Gas over the past 37 years. The responsibilities of these positions spanned field operations and maintenance, integrity and compliance, field engineering and construction, operation and maintenance supervision, facility planning, business development, field operations management, oil pipeline operations management, and pipeline expansion project management.

    LD earned a B.S. in industrial technology from Southwestern Oklahoma State University.

    LD supports charities such as the Marines Toys for Tots, various veteran’s organizations, and the American Red Cross.

    LD is a native of Oklahoma, is married with two children.​​​​​​​​​​​​​​​​​​​​​​​​​