Senior Partners

Thaddeus J. Yurek III

Thaddeus J. Yurek III

Managing Partner

Thaddeus J. Yurek III

Partner, 2015 – Present

A native of California, Thaddeus “Toby” Yurek III moved to the Las Vegas Valley in high school and has considered Nevada home ever since. He did his undergraduate work at Hope International University in Fullerton, California, and returned to Nevada in 1995 to join the City of Henderson Police Department as a Police Officer. He served for 20 years, advancing to the rank of Lieutenant before retiring in 2015.

During his time with the Henderson Police Department, Mr. Yurek completed his Master’s Degree in Criminal Justice from Boston University. He went on to pursue his Juris Doctorate from the William S. Boyd School of Law at the University of Nevada, Las Vegas. He graduated in 2008 and was accepted to the Nevada Bar that same year.

Upon retirement from law enforcement, Mr. Yurek joined the firm. His background and experience give him a unique understanding of the challenges faced by those who serve our community as first responders, allowing him to offer quality representation to the injured. He also serves as an instructor for law enforcement agencies and police academies, specializing in Fourth Amendment law.

Mr. Yurek is a Fee Dispute Mediator and Arbitrator for the State Bar of Nevada and a member of the Nevada Justice Association. He has served on the Governance Board of Lake Mead Christian Ministries and the Board of Trustees of Hope International University. He was recently appointed as Judge Pro Tempore for the City of Henderson Municipal Court.

Toby is also currently serving in the Nevada Legislature, elected to represent Assembly District 19, which encompasses Southeast Henderson, Logandale, Moapa, Moapa Valley, and Mesquite.

Mr. Yurek enjoys being a part of the GGRM team because it is “a firm that truly cares about clients – where helping people is a priority.”

Jason D. Mills

Jason D. Mills

Strategic Development Partner

Jason D. Mills

Partner, 2021 – Present

Jason Mills is a highly experienced workers’ compensation attorney based in Nevada. He has been practicing law since 2000 and has dedicated his career to representing injured workers in Nevada workers’ compensation claims. Born and raised in Las Vegas, he learned the value of hard work from his parents, who worked in busy Las Vegas casinos. At the age of fourteen, he started working at a local plant nursery after school, further instilling in him a strong work ethic. Mr. Mills obtained his undergraduate degree from the University of Nevada – Las Vegas and then attended the California Western School of Law in San Diego, where he earned his Juris Doctorate in 2000. He returned to Nevada, obtained his law license, and began his legal career. In 2015, he also became licensed to practice law in the state of Washington.

Throughout his career, Mr. Mills has focused exclusively on handling workers’ compensation claims in Nevada. He is highly regarded for his legal expertise in this area, and many new clients are referred to him by former clients who were satisfied with the outcomes of their cases. Fellow attorneys in Nevada also refer clients to Mr. Mills, recognizing his skill in the field of Nevada workers’ compensation law. Mr. Mills has served as lead counsel on thousands of contested workers’ compensation claims, representing clients at all levels of the administrative law process within the Nevada Industrial Insurance system. He has successfully litigated cases from the initial Hearing Office through the Nevada Supreme Court, and he has several reported decisions in favor of injured workers, including notable cases such as CCMSI v. Figueroa, 468 P.3d 827 (2020) and City of Henderson v. Wolfgram, 501 P.3d 422 (2021). After his former partner retired in December 2017, Mr. Mills continued to operate his law firm until it merged with GGRM on January 1, 2021.

In addition to his legal practice, Mr. Mills is actively involved in the Nevada Justice Association (NJA), the state trial lawyers association. He has lobbied and testified for the NJA on important issues concerning injured workers in every legislative session since 2015. He has worked on numerous bills, resulting in the enactment of dozens of laws due to his successful lobbying efforts. In 2016, Mr. Mills was elected to the Board of Governors for the NJA and is set to serve as the President of the organization for the 2023-2024 term. In recognition of his service to the association and the people of Nevada, he received the prestigious “Badger Award” from the NJA in 2017. He was also elected to the Board of Trustees for the Citizens for Justice, the NJA’s political action committee, in 2018. Mr. Mills was selected by the State Bar of Nevada in 2018 to be one of the five co-founding board members of the State Bar of Nevada Board of Workers’ Compensation Legal Specialization. This board was tasked with creating and administering a state bar certification and testing process for attorney specialization in the field of Nevada workers’ compensation law.

Mr. Mills is also member of prominent national legal associations such as the American Association for Justice (AAJ) and the Workers’ Injury Law & Advocacy Group (WILG). He also serves as the Nevada Workers’ Compensation Contract Panel Attorney for several professional sports players’ associations, including the National Football League Players’ Association, Major League Baseball Players’ Association, National Hockey League Players’ Association, Professional Hockey Players’ Association, and National Lacrosse League Players’ Association.

Lisa Anderson

Lisa M. Anderson

Workers’ Compensation Partner

Lisa M. Anderson

Partner, 1996 – Present

Lisa Anderson joined the firm in 1996. Even though her U.S. Air Force family lived in many different locations throughout the country and the world, she considers Las Vegas her home, graduating from Eldorado High School in 1986. She attended the University of Southern California in 1990, where she received her Bachelor’s degree in Political Science. In 1993, she earned her Juris Doctorate from the University of Miami and was admitted to the Nevada Bar that same year.

Mrs. Anderson was one of the first attorneys in Nevada to become a certified Workers’ Compensation Specialist with the Nevada Justice Association. She enjoys spending time with her family on the beach and out in the community serving together. She is passionate about mentoring high school students, speaking about the benefits of college and discussing ways to overcome the obstacles to going to college.

For over 20 years, Mrs. Anderson has been fighting for the rights of the injured at GGRM because she believes in investing her time and energy into people. “GGRM is purposeful in building relationships with clients, staff and the community that outlive any case we may be working on.”

Partners

Joshua Davidson

Joshua Davidson

Workers’ Compensation

Joshua DavidsonJoshua Davidson

Workers’ Compensation

Originally from New York, Joshua Davidson graduated with his Bachelor’s degree in Political Science and Pre-Law from Flagler College in 2007. He received his Juris Doctorate from the Florida Coastal School of Law in Jacksonville, Florida in 2010, where he was a member of the Phi Alpha Delta Law Society.

After spending five years as an agent representing professional athletes, Joshua was admitted to the California Bar in 2015. He entered into workers’ compensation litigation prior to his admittance to the Nevada Bar in 2017. His unique background and experience helps him understand the issues our clients face when injured on the job.

When asked what impressed him most about the firm, Joshua remarked about the integrity with which GGRM practices law. He enjoys traveling, martial arts, hiking, and spending time with family.

Chief Executive Officers

Dr. James Anthony, DO

James Anthony, DO, JD, MBA

Chief Medical Officer

Dr. James Anthony, DOJames Anthony, DO, JD, MBA

Chief Medical Officer

Dr. Anthony received his B.S. and D.O. degrees from Ohio University, as well as a J.D. from Florida State University and an MBA from the University of Tennessee. He completed his internship at Riverside Hospital in Trenton, Michigan, and his residency in family medicine at Case Western Reserve University/Cleveland Metropolitan General Hospital/Metro Health in Cleveland, Ohio. Following three years of post-graduate training, Dr. Anthony moved to Florida and practiced there until relocating to Nevada in 1996. Dr. Anthony is board certified in family medicine and has been since 1988.

Prior to joining GGRM, Dr. Anthony was Program Director for the Graduate Medical Education program at Valley Hospital Medical Center in Las Vegas, where he obtained Accreditation Council for Graduate Medical Education (ACGME) status for their family medicine program.

“Understanding the underlying medical issues is paramount to a successful legal claim,” said Dr. Anthony. “After practicing and teaching medicine for more than 36 years, I wanted to do something different and feel that incorporating my knowledge and experience to make the law work for GGRM’s clients is an interesting approach to taking care of patients in an entirely new way.”

Valerie Hall

Valerie Hall

Chief Claims Officer

Valerie HallValerie Hall

Chief Claims Officer
Christine Hauser

Christine Hauser

Chief Culture Officer

Christine HauserChristine Hauser

Chief Culture Officer

Originally from Council Bluffs, Iowa, Christine has called Las Vegas home since 2011. Christine obtained her Bachelor’s degree with distinction from Iowa State University where she majored in finance and minored in accounting, in 1999. At Iowa State, Christine was a member of Alpha Kappa Psi business fraternity and Kappa Delta sorority. In 2004 Christine obtained her Master’s degree in Business Administration with an emphasis in executive development from Drake University. Christine has spent the past 22 years in the financial services industry where most recently she was a Senior Vice President and Regional Director of Operations for a large financial company. She has enjoyed helping build and lead teams and solve complex operational and compliance issues with people all across the country.

Christine is a member of the Board of Directors of the American Red Cross, Southern Nevada chapter, and the treasurer of Pinecrest Academy Inspirada charter school Parent Teacher Organization. She is also a club volleyball coach. Outside of the office, Christine enjoys spending time with her family and doing anything outdoors, particularly playing sand volleyball, camping, hiking, or going to the lake or beach.

Kevin Johnson

Kevin Johnson

Chief Strategy & Marketing Officer

Kevin Johnson

Chief Strategy & Marketing Officer

GGRM struck gold when Kevin Johnson agreed to join our staff and lead our strategy team. A West Coast native most of his life, he decided to “roll the dice” and relocate to Las Vegas and accept the role of Chief Strategy Officer.

Kevin has over twenty years of extensive and diverse experience developing and executing innovative online media projects for hundreds of clients as a strategic-minded marketing technologist. His extraordinary visionary talents and out-of-the-box approach to strategy and marketing have provided the spark that GGRM needed to take its business presence to the next level throughout Nevada.

He was formerly a Curriculum Director with San Francisco State University’s Multimedia Studies Program where he helped create one of the world’s first online training programs.

In addition to his many talents, Kevin is a UC Master Gardener and a former rockstar. When he’s not in his office at GGRM, you can find him cultivating the desert soil in his backyard or in a studio recording new music.

Dane Mattoon

Dane Mattoon

Chief Operating Officer

Dane MattoonDane Mattoon

Chief Operating Officer

Attorneys

Isaac Hagerbaumer

Isaac Hagerbaumer

Workers’ Compensation

Isaac HagerbaumerIsaac Hagerbaumer

Workers’ Compensation
Quanisha Holloway

Quanisha Holloway

Workers’ Compensation

Quanisha HollowayQuanisha Holloway

Workers’ Compensation

Kevin King

Personal Injury

Kevin KingKevin King

Personal Injury
Astrid Perez

Astrid Perez

Workers’ Compensation

Astrid PerezAstrid Perez

Workers’ Compensation
Kim Strauss

Kim Strauss

Workers’ Compensation

Andrea OrwollKim Strauss

Workers’ Compensation

Erik Tondevold

Workers’ Compensation

Erik TondevoldErik Tondevold

Workers’ Compensation

A native of Utah, Erik Tondevold graduated with a Bachelor’s degree in Business Management from the University of Utah, Salt Lake City, in 2013. He went on to receive his Juris Doctorate from the William S. Boyd School of Law at the University of Nevada, Las Vegas in 2018. He was Vice-President of the J. Reuben Clark Law Society and participated in the Boyd School of Law Mediation Clinic. He was admitted to the Nevada Bar in 2018.

Erik worked in a variety of legal fields before joining the GGRM team. He is excited to use his experience to provide quality representation for our workers’ compensation clients.

Erik is fluent in Spanish, developed while serving as a missionary in Chile for two years. He enjoys spending time with his family, playing sports and watching sports, especially the Vegas Golden Knights.

Ethan Wallace

Ethan Wallace

Workers’ Compensation

Ethan WallaceEthan Wallace

Workers’ Compensation

Following his relocation from North Carolina to Las Vegas, Nevada, Ethan Wallace joined the team at GGRM as an assistant in 2018. In his time with GGRM, Ethan has worked as a Litigation Assistant and Litigation Specialist in Workers’ Compensation. Through this experience, he has gained extensive knowledge related to the litigation process. He brings his expertise in legal research and writing, leadership, and communication to help GGRM achieve its vision of becoming Nevada’s premier injury law firm.

Ethan received his Juris Doctorate from the William S. Boyd School of Law at the University of Nevada, Las Vegas, graduating in 2023.

In his free time, Ethan enjoys spending time with family, playing golf, and improving his skills on the grill.

E. Matthew Zobrist

E. Matthew Zobrist

Intake

E. Matthew ZobristE. Matthew Zobrist

Intake

Matthew “Matt” Zobrist, originally from Utah, graduated from the University of Nevada, Las Vegas, in 1998 with a Bachelor’s degree in Criminal Justice. He was hired by the City of Henderson Police Department that same year, where he served as a Police Officer until retiring as a Sergeant in 2016.

During his time with the Henderson Police Department, he completed his Juris Doctorate at the William S. Boyd School of Law at the University of Nevada, Las Vegas in 2006. He was admitted to the Nevada Bar in 2007. Combing his law enforcement experience and legal knowledge in the classroom,

He is an Adjunct Professor at the College of Southern Nevada and an Instructor for the Southern Desert Regional Police Academy.

Joining the GGRM team allowed Matt to continue to do what he loved doing in law enforcement – making a difference in people’s lives. “I love to help educate our clients on what their rights are when they are injured and give them hope.”

Matt speaks fluent Spanish, developed during his time serving the people of Paraguay as a missionary in his younger years. He is married to his college sweetheart and loves spending time with her and their seven children.

Department Management

Christina Cabrera

Christina Cabrera

Claims Manager

Christina CabreraChristina Cabrera

Claims Manager

Originally from Tucson, Arizona, Christina Cabrera has spent over twenty years working for insurance companies handling claims before she joined the staff of GGRM. Her extensive knowledge of the inner workings of insurance claims management makes her an invaluable asset in her role supervising our team of Claims Specialists.

Christina understands how important it is for clients to have an advocate during the challenging and uncertain time of an injury. She has a heart for first responders that have been hurt in the course of their job – “They give so much to our community and we can give back by helping them in their time of need.”

Christina treasures creating memories with her children and family. She enjoys cooking, wine tasting, and big game hunting, and looks forward to traveling and concerts in the future.

Maria Diaz

Claims Manager

Maria DiazMaria Diaz

Claims Manager
Brandon Gerber

Brandon Gerber

Administrative Manager

Brandon GerberBrandon Gerber

Administrative Manager

Brandon Gerber has been calling Las Vegas home since his Air Force father was stationed here three decades ago. After a workplace injury brought Brandon to the doors of GGRM, he found his passion helping clients receive the same excellent care and representation that he experienced. Brandon brings his skills in project management and team leadership to his role as supervisor of the administrative staff.

Brandon is focused on providing guidance, support, and training to his staff in order to help them see their potential and help them succeed. He is grateful for the opportunity to help make GGRM a great place to work, knowing that what we do truly matters.

Brandon enjoys spending his free time with his family and pursuing his interests in music, golf, cars, painting, and chess.

Jennifer Gonzalez

Intake Manager

Jennifer GonzalezJennifer Gonzalez

Intake Manager
Spencer Hubbard

Dr. Spencer Hubbard

PPD Manager

Spencer HubbardDr. Spencer Hubbard

PPD Manager

Veronica Salas

Litigation Manager

Veronica SalasVeronica Salas

Litigation Manager
Lindsey Wyllie

Lindsey Wyllie

Human Resources Manager

Lindsey WyllieLindsey Wyllie

Human Resources Manager

Lindsey Wyllie was born and raised in Hickory, North Carolina, and recently relocated to Las Vegas. She completed her education at Liberty University in Lynchburg, Virginia. Her undergraduate degree in Psychology/Counseling and Master’s in Industrial/Organizational Psychology have prepared her to support GGRM’s passion of caring for our clients and championing their cause. Lindsey’s ability to help employees discover their occupational strengths and support their efforts to give excellent service to our clients is her top priority.

Lindsey enjoys starting her days with a good cup of coffee, which fuels her to invest her professional skills and energy into GGRM’s vision of being Nevada’s premier injury law firm. Out of the office, she loves cooking comfort food, interior design, and spending time with her family.

Of Counsel

Aubrey Goldberg

Aubrey Goldberg

1970 – Present

Aubrey Goldberg

Founding Partner, 1970 – Present

In 1970, Aubrey Goldberg joined forces with John Greenman to form the Law Offices of Greenman and Goldberg. He completed his undergraduate degree at the College of William and Mary and went on to receive his Juris Doctorate from the Marshall-Wythe School of Law at the College of William and Mary. He was admitted to the Virginia Bar in 1966, the Nevada Bar and the U.S. District Court (Nevada) in 1968, and the U.S. Court of Appeals (9th Circuit) in 1985. He served with the United States Air Force on both active and reserve duty, attaining the rank of Lieutenant Colonel.

Mr. Goldberg has served in leadership positions for numerous organizations, to include President of the State Bar of Nevada, President of the Clark County Bar Association, and President of the Southern Nevada chapter of the American Board of Trial Advocates. He is a member of the American College of Trial Lawyers as well as the Association of Trian Lawyers of America and the Nevada Association of Trial Lawyers. He has also served as a Supreme Court Judge Mediator for the Nevada Supreme Court. In 2016, he was selected as the Nevada representative for the U.S. Supreme Court Historical Society.

Mr. Goldberg has devoted his entire career to providing the best possible representation for his clients because he enjoys building relationships with his them and tackling the challenges that each new case brings. His extensive experience and faithful service have been the “gold” standard in our community.

Gabriel A. Martinez

Gabriel A. Martinez

1985 – Present

Gabriel A. Martinez

Founding Partner, 1985 – Present

Gabriel “Gabe” Martinez joined the firm in 1985. He graduated cum laude from Loyola Marymount University with a Bachelor of Science in Business Administration and earned his law degree from Loyola Law School in Los Angeles in 1984. He was admitted to the California Bar in 1984 before returning to Nevada. He was admitted to the Nevada Bar and the U.S. District Court (Nevada) in 1985.

Mr. Martinez maintains professional affiliations with the State Bar of Nevada (Disciplinary Committee 1987-1996; Minority Relations Committee 1991-1997), the State Bar of California, Latin American Bar Association (former Vice-President), American Bar Association, Nevada Trial Lawyers Association, Nevada Justice Association, The Association of Trial Lawyers of America and the Million Dollar Advocates Forum.

Mr. Martinez has over 30 years of experience in personal injury law, general civil litigation and workers’ compensation law. He is dedicated to providing clients with exemplary legal services that meet their needs. When he is not defending the rights of his clients, he enjoys golfing, fishing and hunting.