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.

Mark Yates joined Cornerstone in July 2021 as a principal in the firm's Oklahoma City office. His experience in public policy includes working with various industries through statewide campaigns, legislative engagement, media relations, and public speaking. Mark has been successful navigating complex and challenging initiatives on behalf of the clean energy and agriculture industries.

Mark previously served as vice president at Advanced Power Alliance (APA) where he represented leading domestic and international companies in the renewable energy sector. While in this role, he managed the association's regional public policy strategy, communications strategy, and membership recruitment efforts. Mark served a major role in shaping legislative and regulatory policy within the most important energy region in the country.

Prior to APA, Mark worked at the Oklahoma Farm Bureau, where he led membership recruitment initiatives, mobilized a statewide grassroots campaign, and lobbied for rural issues on behalf of the nearly 90,000 farmers and ranchers.

Before his time with the Farm Bureau, Mark was a professional educator in the Oklahoma public school system for 11 years. Along with his teaching experience, Mark also had administrative experience serving as a federal programs director for Plainview Public Schools in Ardmore, OK.

Mark is a graduate of East Central University in Ada, OK and holds a bachelor's degree in History and master's in Secondary Administration. Mark and his wife Stacy reside in Edmond, OK where they are active in their community and have two children, Londyn and Steele.

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.

Regularly engaged in the highest-level budget and policy negotiations from within the innermost circles of Massachusetts state government

Worked closely with then-Chairman DeLeo to pass four state budgets, multiple bond bills and major pieces of legislation including health care reform and clean energy initiatives.

Responsible for shaping the House legislative agenda, overseeing its execution and strategically advising the Speaker through high-stakes negotiations

Works closely with all parties including the Senate President and Governor, majority and minority legislative leadership, chairs and cabinet officials.

Policy Advisor at Preti Strategies

Chief of Staff and Chief Policy Advisor to Speaker of the Massachusetts House of Representatives.

Chief of Staff and Press Secretary to House Committee on Ways and Means

Chief of Staff and Press Secretary to House Committee on Bills in the Third Reading

Education:

Suffolk Law School
Hamilton College
Belmont Hill
The Fessenden School