Lisa Y. W. Cosper

Lisa Y. W. Cosper is an estate planning lawyer at Sutin, Thayer & Browne who handles probate, trusts, corporate law, business law, and liquor licensing matters. She helps clients protect their legacies by creating and implementing estate plans tailored to their circumstances and goals. She guides business owners through entity formation, organizational maintenance, and succession planning. She handles liquor license sales, leases, purchases, and related regulatory matters.

Lisa earned her associate degree in General Business from Estrella Mountain Community College in 2012. She received her B.A. in Business Law from Arizona State University W. P. Carey School of Business in 2014. She earned her J.D. magna cum laude from Arizona Summit Law School in 2017. She provided pro bono assistance through Community Legal Assistance and Wills for Heroes during law school. She received the Family Law CALI Award and recognition as an Arizona Summit Scholar in 2017.

Lisa began working in estate planning and administration as an Arizona law firm paralegal in 2014 while pursuing her law degree full time. She later expanded her estate planning practice and assumed leadership responsibilities in an estate administration department. She guided other attorneys on best practices and supervised paralegals handling estate matters. She gained admission in Arizona in 2018 and New Mexico in 2019.

Lisa Y. W. Cosper has developed her professional profile through public speaking, industry recognition, and client-focused legal service. She has presented on probate, estate administration, charitable giving, taxes, trusts, and estate planning since 2019. She received Best Lawyers: Ones to Watch in America recognition for 2026. She was named a Top Corporate Attorney in the Albuquerque Journal Readers’ Choice Awards in 2023. She brings clients practical planning experience and a strong foundation in trust and estate administration.

Law Office Affiliations

• Attorney, Sutin, Thayer & Browne
• Member, State Bar of New Mexico
• Member, State Bar of Arizona

Licensed State

• New Mexico
• Arizona

Education

• Arizona Summit Law School
  Juris Doctor (JD)
• Arizona State University W. P. Carey School of Business
  Bachelor of Arts (BA)