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Board of Directors and management team

The Southern Nevada Water Authority (SNWA) is governed by a Board of Directors comprised of representatives from each member agency. An Executive Team oversees the daily operations.

Board of Directors

Marilyn Kirkpatrick, Chair, Las Vegas Valley Water District

Portrait of Marilyn Kirkpatrick

Marilyn Kirkpatrick joined the Clark County Commission in August 2015 when she was appointed by Gov. Brian Sandoval to fill a vacancy. At the time, Kirkpatrick was serving in the capacity of assemblywoman for Nevada's Legislative District 1.

Kirkpatrick was first elected to the Nevada legislature in 2004 and served five regular and seven special sessions in Carson City before the appointment. In 2013, she was elected speaker of the assembly and prior in 2011, she was the only member of the assembly to chair two committees: government affairs and taxation.

She is now serving a four-year term on the commission after being elected as commissioner of District B in 2016.

A native Nevadan, Kirkpatrick grew up in Clark County. She graduated from Western High School and attended Krolack Business School and the Community College of Southern Nevada.

Commissioner Kirkpatrick and her husband have six children, six grandchildren, and one great-grandchild.

For more information about Commissioner Kirkpatrick, visit the Clark County website.

Bob Coffin, Vice Chair, City of Las Vegas

Portrait of Bob Coffin

Currently representing Ward 3, Las Vegas City Councilman Bob Coffin has been a resident of Las Vegas for 60 years.

Coffin earned a Bachelor of Science degree in Business Administration (Accounting) from the University of Nevada, Las Vegas and currently works as an insurance broker. Prior to his service on the Las Vegas City Council, Coffin was elected to the Nevada Assembly in 1982 and served in the Nevada Senate from 1987 to 2005. His tenure with the Nevada Legislature spanned more than 20 years. While in the legislature, Coffin served as a ranking member of the Senate Finance Committee and Taxation Committee.

He has received numerous awards for his service over the years, including the Public Service Award, Man of the Year by the Hispanic Business and Professional Women’s Club, the Good Guy Award from the Women’s Political Caucus and the Charles Dick Medal of Honor Award from the United States National Guard. As a measure of respect earned during his time in the legislature, Coffin also was appointed to the Senate Ethics Committee.

Coffin has been married to Mary Hausch for more than 20 years and they have three children.

For more information about Councilman Coffin, visit the City of Las Vegas website.

Scott Black, City of North Las Vegas


A native of Southern Nevada, Scott Black was elected to North Las Vegas City Council in June 2017.

He has served as commissioner of the Southern Nevada Regional Housing Authority Board, and member of the Southern Nevada Regional Planning Coalition, Southern Nevada District Board of Health, Southern Nevada Child Drowning Prevention Coalition, and Local Elected Officials Consortium Committee.

Black received a Bachelor of Arts degree in Communication Studies with an emphasis on Public Relations and Advertising from the University of Nevada, Las Vegas. He went on to earn a Master of Business Administration degree from the University of Phoenix.

Councilman Black is an avid bicyclist, a vintage Volkswagen enthusiast, and enjoys camping and hiking with his family in his spare time.

Black and his wife, Leana, have one daughter.

For more information about Councilman Black, visit the City of North Las Vegas website.

James B. Gibson, Big Bend Water District

Portrait of James B. Gibson

A former three-term Mayor of Henderson and a practicing attorney in business and commercial law for more than 35 years, James B. Gibson was appointed to the Clark County Commission in July 2017.

While mayor of Henderson, Gibson guided the city through a period of unprecedented growth as it became the second-largest city in Nevada.

A native Nevadan, born in Las Vegas and a near lifetime resident of Henderson, Gibson has served on numerous boards and commissions, including the Las Vegas Convention and Visitors Authority Board of Directors, the Nevada Development Authority Board of Directors, the Las Vegas Events Board of Directors, the Regional Transportation Commission and as Co-Chair of the Civilian Military Council for Nellis Air Force Base. In the private sector, Gibson served on the St. Rose Dominican Hospital Board of Directors.

Gibson is president of Western Elite, a full-service waste services provider in Clark County. He previously served as General Counsel of American Pacific Corporation operating subsidiaries, president of the Las Vegas Monorail Company, and president and chief executive officer of

Gibson has been recognized for his contributions by local, state and national organizations. Among the many awards he has received are the Lili Claire Foundation’s Spirit of Leadership Award and the Humanitarian Award from the National Jewish Medical and Research Center.

For more information about Commissioner Gibson, visit the Clark County website.

Justin Jones, Clark County Water Reclamation District


Clark County Commissioner Justin Jones was elected to the Clark County Commission in January 2019.

Jones served in the Nevada State Senate as an assistant majority whip from 2012 to 2014.

He has provided pro bono representation to child victims of domestic abuse and neglect through the Legal Aid Center of Southern Nevada's Children's Attorney Project. He also has served as chair on the Volunteer Center of Southern Nevada and Battle Born Progress, as a board member for United Way of Southern Nevada and Emerge Nevada, and as a founding board member of Nevadans for Background Checks.

Jones has been a practicing attorney in Nevada since graduating from George Washington University Law School in 2001. Before entering private practice, Commissioner Jones served as a law clerk to the Honorable Roger L. Hunt of the United States District Court, District of Nevada.

He and his wife have two children.

For more information about Commissioner Jones, visit the Clark County website.

Peggy Leavitt, City of Boulder City

Portrait of Peggy Leavitt

Boulder City Councilwoman Peggy Leavitt has been a resident and active community member of Clark County since 1974. She was elected to the Boulder City Council in 2009.

Prior to her role as a city councilwoman, Leavitt worked at the Southern Nevada Children’s Home in Boulder City, a permanent placement for abused and neglected children. She then worked for Child Haven as a manager until her retirement from Clark County. During her tenure, Ms. Leavitt received accolades from several governors and the Clark County Commission for her exemplary work in children’s and family services.

In addition to serving as Boulder City’s mayor pro tem, Leavitt also is on the board of directors for the Las Vegas Convention and Visitors Authority. She formerly served as a board member for Workforce Connections, Nevada League of Cities, Friends of the Arts, and Southern Nevada Strong — a regional consortium tasked with developing a plan to integrate jobs with housing and transportation options in Southern Nevada.

Leavitt holds a Bachelor of Science degree from the University of Wyoming and a master’s degree from the University of Nevada, Las Vegas.

She and her husband have four sons and 11 grandchildren.

For more information about Councilwoman Leavitt, visit the City of Boulder City website.

John Marz, City of Henderson

Portrait of John Marz

A Henderson resident for more than 30 years, John Marz has served as a member of the Henderson City Council representing Ward III since 2012.

In addition to the Southern Nevada Water Authority Board of Directors, Marz also serves on the Henderson Hospital Community Advisory Committee, Las Vegas Convention and Visitors Authority Board of Directors, Las Vegas Global Economic Alliance Board of Directors and Southern Nevada Health District Board of Health.

The owner of a marketing consultancy firm, Marz has more than 40 years of experience in marketing, advertising and public relations at the senior executive and corporate levels with the Mandalay Resort Group in Las Vegas and DRGM Advertising in Reno and Las Vegas.

Marz is a graduate of Brigham Young University, where he received a Bachelor of Arts degree in Communications with a minor in Marketing.

For more information about Councilman Marz, visit the City of Henderson website.

Board meetings

The Water Authority Board of Directors meets the third Thursday of odd-numbered months at 9 a.m. (except special meetings) in the board chambers in suite 700 (7th floor) of the Molasky Corporate Center, 100 City Parkway, Las Vegas. The meetings also are broadcast live on this website’s home page.

Agendas are posted three business days prior to each board meeting.

If you would like to speak on matters under the jurisdiction of the Water Authority that are not listed on the agenda, you may do so after all matters listed on the posted agenda have been considered. Please limit your comments to three minutes or less. No action can be taken on matters that are not listed on the posted agenda

View Agendas and Minutes

Executive Team

Daily operations of the Water Authority are overseen by the SNWA's Executive Team:

John J. Entsminger, General Manager

Portrait of John Entsminger

John J. Entsminger oversees the operations of the Southern Nevada Water Authority, which is responsible for acquiring, treating and delivering water to local agencies that collectively serve 2 million residents and more than 40 million annual visitors, and the Las Vegas Valley Water District, which serves more than 375,000 customer accounts. He was appointed general manager by both agencies' Boards of Directors in early 2014, having previously served as director of environmental and water resource law and senior deputy general manager. Entsminger joined the organization in 1999 as an attorney.

Entsminger has spent his career addressing the unique water challenges facing Southern Nevada. He has been instrumental in developing inter basin and international agreements protecting Lake Mead water elevations, including the 2007 Colorado River Interim Guidelines and Minutes 319 and 323 to the 1944 U.S. - Mexico Water Treaty. In April 2014, he was appointed by Governor Sandoval to serve as Nevada's lead negotiator on Colorado River matters.

On the national front, Entsminger serves on the Boards of Directors of the Association of Metropolitan Water Agencies and the Water Research Foundation, and the Desert Research Institute Foundation Board of Trustees.

Committed to public involvement, Entsminger works closely with a committee of community stakeholders tasked with making recommendations on issues related to funding, planning and facilities construction and maintenance. These recommendations will guide future organizational initiatives, including a renewed commitment to maintaining its vast water systems.

Entsminger is a graduate of the University of Northern Colorado and of the University of Colorado School of Law, where he was awarded the Charles N. Woodruff Natural Resources Law Fellowship. He and his family have been in Las Vegas for nearly 20 years.

Julie A. Wilcox, Deputy General Manager of Administration

Portrait of Julie Wilcox

Julie A. Wilcox is the Deputy General Manager of Administration of the Southern Nevada Water Authority (SNWA) and the Las Vegas Valley Water District (LVVWD). She also is the chief lobbyist for both agencies, leading a team in Carson City during each legislative session.

Employed in state and local government service since 1984, Wilcox previously served as the executive director of the Springs Preserve and director of Public Services for the SNWA and LVVWD. She has worked in areas as diverse as housing finance, economic development and film production and promotion.

Before starting government service, Wilcox worked in the private sector as a retail buyer and manager.

A Southern Nevada resident for more than 30 years, Wilcox is a Clark High School alumna and graduated from the University of Nevada, Las Vegas, in 1979 with a Bachelor of Arts in political science. Two years later, she went on to earn a master's degree in the same field.

She is currently a member of the Western Urban Water Coalition, the Colorado River Water Users Association, Leadership Las Vegas, Public Relations Society of America and other water-related professional organizations.

David L. Johnson, Deputy General Manager of Engineering and Operations

Portrait of Dave Johnson

David L. Johnson is the Deputy General Manager of Engineering and Operations for the Southern Nevada Water Authority and the Las Vegas Valley Water District.

Johnson has been with the agency since 2004, previously holding the position as director of the Water Quality & Treatment Department for the Southern Nevada Water Authority. He has more than 20 years of experience in chemical manufacturing management, water treatment and water quality management. Before arriving in Nevada, he worked in New York state and has held the positions of technical engineer, production manager, treatment manager and director.

He earned a Bachelor of Science degree in chemical engineering from Purdue University and maintains Level 4 Water Treatment and Level 4 Distribution certifications from the Nevada Division of Environmental Protection.

Johnson is a member of the American Water Works Association, the International Ozone Association and the Nevada Water & Wastewater Operator's Forum.

He and his wife, Lisa, have lived in Southern Nevada since 1998 and have four children.

E. Kevin Bethel, Chief Financial Officer

Portrait of E. Kevin Bethel

E. Kevin Bethel is the Chief Financial Officer for the Southern Nevada Water Authority and the Las Vegas Valley Water District.

As the chief financial officer, Bethel is responsible for all financial functions, including debt management, capital planning, financial reporting, budgeting as well as water rates and charges for both agencies, which collectively serve more than 2 million residents and 40 million annual visitors in Southern Nevada.

Bethel has served in a financial leadership capacity in the utility industry, both regulated and non-regulated, for nearly 30 years. Before joining the Water Authority and Water District in 2018, Bethel was the senior vice president and chief financial officer at NV Energy from 2013 until 2018. Bethel joined NV Energy in 2007 as vice president and chief accounting officer.

Before moving to Nevada, Bethel served as assistant controller for American Electric Power, Inc. in Ohio. Prior experience includes key accounting management positions with The Williams Company, Central & South West Services, and the Public Service Company of Oklahoma.

Bethel earned a Bachelor of Science degree in accounting from Oklahoma State University, and he holds his certified public accounting certificate from Oklahoma. Since 2008, Bethel has served as a board member of Opportunity Village, and he is the board’s past treasurer and past audit committee chair. He also served as a Las Vegas Metro Chamber Trustee from late 2013 through September 2018.

An Oklahoma native, Bethel and his wife, Sherry, have lived in Las Vegas since 2007.

Gregory J. Walch, General Counsel

Portrait of Greg Walch

Gregory J. Walch serves as General Counsel for the Southern Nevada Water Authority (SNWA) and the Las Vegas Valley Water District (LVVWD).

As a member of the SNWA and LVVWD Executive Teams, he oversees the Legal Department of both agencies.

After receiving a Bachelor of Science degree in Agricultural Engineering from Iowa State University in 1985, Walch spent the next four years as an engineer with Layne Western Company, designing and overseeing construction of water well systems for industrial and municipal clients.

In May 1992, Walch received his Juris Doctor from the Lewis & Clark Northwestern School of Law. He has practiced environmental, water, land use, mining, eminent domain and administrative law, and has regularly appeared before the Nevada State Engineer and other state agencies and administrators, various federal agencies, and state and federal courts in Nevada. In 1996, Walch co-founded the law firm now known as Holley, Driggs, Walch, Puzey & Thompson. Walch has been recognized by Chambers USA, Mountain States Super Lawyers, and Martindale-Hubbell for his work in environmental and natural resources law.

Walch and his wife, Shauna, have two sons, Rowan and Quin.