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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.

James Gibson, Clark County Water Reclamation District

Portrait of James Gibson

A former three-term Mayor of Henderson and a practicing attorney in business and commercial law for more than 35 years, James 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 Vegas.com.

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.

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 Lee, City of North Las Vegas

Portrait of John Lee

Mayor John J. Lee was elected in April 2013. As an Eagle Scout, Lee began his commitment to public service at a young age. He's served on various commissions and boards through elected office as a Nevada State Assemblyman and Nevada State Senator.

Lee's first job was with the Culinary Union as a dishwasher at the Silver Nugget on Las Vegas Boulevard. In 1975, Lee began working in the plumbing trade and continued working the tradecraft at various construction projects throughout the Las Vegas Valley. He eventually turned his craft into a successful plumbing company.

Mayor Lee is an avid outdoorsman and experienced mountain biker. To signal the end to his fight with stage IV cancer, John completed a 10-day trek of the Tahoe Rim and returned to Carson City to continue fighting for Nevadans.

John and his wife Marilyn have been married for 39 years and have seven children and 18 grandchildren. They reside in North Las Vegas.

For more information about Mayor Lee, visit the City of North Las Vegas 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.

Steve Sisolak, Big Bend Water District

Portrait of Steve Sisolak

Clark County Commissioner Steve Sisolak, a long-time public servant and active member of the community, was a member of the Nevada Board of Regents for 10 years, where he chaired the Audit Committee and was a member of the Investment, Health Sciences System and Research & Economic Development committees.

In addition to being a member of numerous boards and committees, he's also chairman of the Big Bend Water District Board of Trustees, vice president of the Las Vegas Valley Water District Board of Trustees, and vice chair of the Clark County Reclamation District Board of Trustees and the Coyote Springs Water Resources General Improvement District Board of Trustees.

Sisolak earned his Bachelor of Science degree in business from the University of Wisconsin-Milwaukee in 1974, and four years later received his Master of Business Administration from the University of Nevada, Las Vegas. He is a devoted father to two daughters.

For more information about Commissioner Sisolak, visit the Clark County 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 David 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.

Brian G. Thomas, Chief Financial Officer

Portrait of Brian Thomas

Brian G. Thomas is the Chief Financial Officer for the Southern Nevada Water Authority and the Las Vegas Valley Water District.

As the Chief Financial Officer, Thomas is responsible for all financial functions, including treasury and debt management, capital planning, financial reporting, budgeting as well as water rates and charges for both agencies, which collectively serve 2 million residents and more than 40 million annual visitors.

Thomas has provided financial leadership in both the private and public sector for more than 30 years. He was the Assistant General Manager (AGM) and Chief Financial Officer for the Metropolitan Water District of Southern California for more than 10 years, and he also served as AGM for finance and administration for public utilities in the cities of Anaheim and Riverside, California.

Since retiring from Metropolitan in 2011, Thomas served as managing director and co-head of the Los Angeles office of Public Financial Management, Inc. (PFM), the largest independent municipal advisory firm in the country, providing financial advisory services to government and non-profit clients. During his tenure at PFM, Thomas served as financial advisor for several water agencies, including the City of Riverside Public Utilities Department, Eastern Municipal Water District, Western Municipal Water District, Coachella Valley Water District and Contra Costa Water District.

Thomas earned a Bachelor of Science degree in biology and a Bachelor of Science in economics from California State Polytechnic University, Pomona. He also received a master's degree and a Ph.D. in economics from the University of California, Riverside.

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.