Our Attorneys


Bert BrionesBert Briones

Bert Briones, a founding principal attorney of Red Hill Law Group, brings a wide range of business and legal experience to the firm. Bert's interest in and focus on estate planning is based upon deeply held beliefs that the property rights of families must be protected, and hard-earned wealth well preserved, to provide opportunities for future generations. He recognizes the tremendous opportunities for family legacies to prosper through expert, successful planning.

Bert's experiences in the mortgage, public relations and legal industries have fortified his commitment to providing exceptional client service. Bert is dedicated to a collaborative approach, working closely with his clients, as well as the brightest and best advisors available, to ensure that his clients' needs are met at the highest level at all times.

Bert is a skilled contract negotiator, with experience ranging from professional sports contracts to complex negotiations involving a variety of industries. He has negotiated contracts for players in every major professional football league and has represented players pursuing careers following their collegiate years.

Bert studied business at the undergraduate level and is a graduate of Trinity Law School. He is a member of the California State Bar; the Orange County Bar Association; the Orange Coast Estate Planning Council; and Wealth Counsel, a leading national organization of top estate planning attorneys. Bert is also a fellow with the Southern California Institute and the Advanced Wealth Studies Institute, providing high-quality estate planning education and information to financial professionals throughout the United States. Additionally, Bert is a certified contract advisor with the National Football League Players Association, the CFL Players Association, and a member of the Sports Lawyers Association. He has written legislative analysis as a staff member of the Judiciary Committee in the California State Senate.

When not practicing the law, Bert enjoys spending time with his wife Robin and their children. He believes in maintaining a strict physical fitness and nutrition regimen. He is active in the church, an avid golfer and tennis player, and likes watching both college and professional football.

David Allen HiersekornDavid Allen Hiersekorn

David helps high net worth families and successful business owners accomplish their most challenging personal, legal and business objectives. His areas of expertise include estate planning, taxation, business structures and exit strategies. His impeccable reputation and years of experience have made him a sought-after speaker and lecturer. David frequently provides continuing education courses for attorneys, accountants and financial advisors in the areas of estate planning, business planning and business exit strategies.

David is a Fellow of the Southern California Institute, an educational institution providing high-quality estate planning education and information to financial professionals throughout the United States. As a Laureate in Wealth Strategies, David stays current in advanced planning techniques appropriate for estates valued at $25 million and up. He is also a Fellow of the Legacy Builder Institute, a not-for-profit organization chartered to promote legacy building and heritage preservation. David believes a person’s legacy is much more than the money left to loved ones and cherished institutions. It includes other equally - or perhaps even more important - issues such as passing on the family heritage, stories, values and wisdom; ensuring personal wishes are carried out; and passing on treasured possessions that have special meaning and emotional value.

David is a member of several leading professional organizations, including: Wealth Counsel Advisors Forum, a national organization devoted to educating attorneys, accountants and financial advisors that encourages collaboration among professional advisors; the Business Enterprise Institute, the leading national organization devoted to exit planning for business owners; and Kingdom Advisors, a national organization of Christian financial professionals committed to incorporating Biblical wisdom into the way they work with clients.

David lives in Tustin and enjoys spending time with his wife, Susan, and their three children, Joshua, Jacob and Dylan. They are active in numerous church and community groups.

David MillerDavid Miller

David combines the business savvy gleaned from years of building and running successful businesses with a heartfelt commitment to helping individuals and families grow their wealth and plan their financial future.

After receiving his Bachelor’s degree from the University of California at Santa Barbara, David took a management position with wholesaler JAM Distributors in Orange, California. He created and implemented the wholesaler’s pharmaceutical division and grew its revenues to nearly 100 million dollars. More recently, David has provided financing and consultative services to the wholesale and retail markets through his firm, the e-tail network, Inc.

David has advised and assisted lawmakers, regulators and elected officials, including California Governor Arnold Schwarzenegger, on statutory, regulatory and economic matters related to health care product distribution. He has also authored rulemaking comments and testimony to the Federal Food and Drug Administration and advised members of both the House and Senate on statutory and regulatory issues surrounding the health care product distribution industry.

Since earning his Juris Doctorate in 1990, David has served as a prosecutor for the Orange County District Attorney’s Office; worked in private practice in the areas of criminal defense, family law and tort litigation; handled over 100 court and jury trials; served as Judge pro tem in the Sacramento County Superior Court; and developed a pro bono program to provide legal aid to battered woman and children through Sacramento’s WEAVE shelter. David has served as court appointed counsel for children on numerous child custody matters, including a groundbreaking secondhand smoke case that garnered significant national media attention. His insight, experience and winning personality have made him a sought-after guest on nationally syndicated radio talk shows as well as both local and national television.

David’s commitment to helping families and children extends well beyond the courtroom. He serves on the Board of Directors of the Make-A-Wish Foundation of Orange County and the Inland Empire. David and his firm also proudly support other fine charities in the community including the Orangewood Children’s Home, the Orange County Marathon, the Jess Miller Family Foundation, the Queen of Heart’s Foundation and the A. Gary Anderson Children’s Foundation.


Red Hill Law Group, PC
1422 Edinger Avenue | Suite 230 | Tustin Legacy, CA 92780
1851 E. First Street | Suite 900 | Santa Ana, CA 92705 | Toll-Free: 888-Red-Hill | Fax: 714-464-4627
Phone: 714-RED-HILL | Phone: 714-733-4455 | www.RedHillLawGroup.com