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Tim Schellberg is the Founder and President of Gordon Thomas Honeywell Governmental Affairs, an internationally known governmental affairs and government business market development firm. In addition to serving as the firm's managing partner, Tim maintains an active governmental affairs and market development practice, and provides strategic direction to the firm's four primary divisions: International, Multi-State, Federal, and Washington State. Under Tim's leadership, the firm has had impressive growth and success.

Tim is recognized nationally and internationally for his work to create and grow new markets by collaborating with business and government to implement dynamic public policy and technology based solutions. Tim has used over 25 years of professional experience, worldwide contacts and knowledge of global government institutions to actively lead legislative based projects in over 30 countries and within the United States.

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Links:Website

Former United States Attorney for the District of Nevada

Former Speaker of Nevada State Assembly

Jason Frierson joined Cornerstone in February 2025 following his service as the United States Attorney for the District of Nevada since 2022. He was nominated by President Biden, acting as the Chief Federal Law Enforcement Officer for the District of Nevada, and the first African American to hold the position. In this role, Jason led a team of more than 100 prosecutors and staff professionals, including 55 attorneys who handled federal criminal, civil and appellate cases. In addition, he met regularly with local, state and federal law enforcement agency leaders, and other key community leaders and organizations to discuss investigations, current cases and developing trends.

Jason started his career representing the indigent, serving as a prosecutor of white-collar criminals and as an agency attorney in protecting child abuse victims. In 2010, he was elected to the Nevada State Assembly and was voted the best freshman Assemblyman in 2011. After being re-elected for the 2013 session, he served as Chairman of the Judiciary Committee.

After one term out of the legislature, Jason was elected to return to the Nevada Assembly in 2016 and was then selected in a bipartisan and unanimous vote to serve as the Assembly's first African American Speaker in Nevada history. He served in that role for three consecutive legislative sessions, leading one of the most diverse state legislatures in the country and the first female majority legislature in the country's history.

Prior to his legislative service, Jason served in a variety of significant legal roles in both the public and private sector. Jason holds a B.S. in Health Science from the University of Nevada and earned his Juris Doctorate from William S. Boyd School of Law, University of Nevada, Las Vegas.

Josh has over two decades of experience in government relations representing both public and private entities in the legislative and executive branches of Washington State government. Josh is a Vice President at Gordon Thomas Honeywell Governmental Affairs (GTH-GA), the state's largest comprehensive governmental affairs firm. GTH-GA is information-driven and non-partisan.

20+ years

Nonpartisan staff for House members during development and passage of Washington's Forests & Fish law.

Josh has relationships with key legislators, statewide elected officials, agency staff and locally elected officials across the state.

Prior to joining the GTH-GA team, Josh spent nearly 10 years advocating for counties, serving as the Legislative Relations and Policy Director and General Counsel for the Washington State Association of Counties. Josh started working in Olympia in 1998 as nonpartisan counsel to the House of Representatives and served as Legislative Director for the Department of Fish and Wildlife. As Environmental Policy Director for the Washington Forest Protection Association he represented private forest landowners in the state's environmental regulatory system. He also assisted in Governor Locke's water reform efforts. Josh is a member of the Washington State Bar Association, graduate of Central Washington University and the Vermont Law School, and is a fourth generation Washingtonian. He lives in Olympia with his wife Karen.

Diana Carlen is a Vice President at Gordon Thomas Honeywell Governmental Affairs (GTH-GA), the state's largest comprehensive governmental affairs firm. GTH-GA is information-driven and non-partisan. Diana represents a broad group of clients before the state legislature, state agencies, and the executive branch.

6-10 years

Diana Carlen leads the firm's business and utility practice and has over 20 years of legal and legislative experience. Prior to joining Gordon Thomas Honeywell Governmental Affairs, Diana served as Leadership Counsel to the Senate Republican Caucus. In that role, she also served as the caucus attorney for the following policy issues: energy, natural resources, agriculture, land use, telecommunications and water issues. Prior to working for the Senate, Diana practiced law for several years focusing on land use and environmental issues and also served as a Law Clerk to Chief Justice Gerry Alexander of the Washington State Supreme Court. Diana represents several of the firm's business clients, public utilities, and port clients.

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Links:Website

Former CEO of Alisa Nave Consulting

Spearheaded the launch of the Las Vegas offices for two of the biggest law and lobbying firms in the U.S.

Experienced campaign consultant and communications strategist

Alisa Nave-Worth joined Cornerstone in January 2025 following her time as CEO of Alisa Nave Consulting. With over a decade of experience in politics and government affairs, she brings unparalleled expertise in Nevada's legal, political and public policy matters. She leverages her deep understanding of the legislative process and strong relationships with lawmakers and regulators to craft and advocate for legislative strategies that benefit a diverse array of corporate clients.

Known for her integrity and commitment, Alisa has built a reputation as a trusted advisor in the Nevada political landscape. Additionally, she previously opened the Las Vegas offices at different times for two of the largest law and lobbying firms in the country. Alisa specializes in addressing legislative, regulatory and administrative issues, focusing on transportation, construction, emerging financial technologies, entertainment, infrastructure and campaign finance compliance. She has successfully represented clients before the Nevada Legislature and state agencies, guiding them through complex rule-making and regulatory matters.

A seasoned campaign consultant, Alisa has worked on Presidential campaigns, where she spearheaded grassroots initiatives and built influential political coalitions across Nevada. As the Executive Director to the Nevada Senate Caucus, she developed and implemented political and communications strategies, enabling the passage of critical legislation across sectors such as transportation, energy, taxation, gaming and education.

Alisa holds a B.A. in Russian Language and Literature and Public Policy Studies from Duke University and earned her Juris Doctorate from Berkeley Law School, UC Berkeley. Licensed to practice law in Nevada and California, she is a member of the Clark County Bar Association and the Nevada State Bar Association.

  • (253) 620-6639

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Clients:

DAVID BALLANTYNE

(Nevada)

RYAN BEAMAN

(Nevada)

MATTHEW CALDWELL

(Nevada)

JACLYN CARLSEN

(Nevada)

JESSICA COLVIN

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(Washington)
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JOANNA JACOB

(Nevada)
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BRAD KEATING

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ASHLEY KENNEDY

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JASON MARTIN

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ANDRES MOSES

(Nevada)
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MARIE NEISESS

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ALEX ORTIZ

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PATRICK SCHILLER

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NATHANIEL WAUGH

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