GREENBERG & RUBY - Key Persons


A Sergio

Job Titles:
  • Staff Member

David H. Greenberg

Job Titles:
  • Staff Member
David H. Greenberg practiced law in the area of personal injury for over 50 years. Mr. Greenberg was held in high regard within the legal community; being named as one of Southern California's Super Lawyers from 2008 - 2020. In addition to being a published author, having written a number of law-related articles, he also had several articles written about him regarding his knowledge and experience in the law. Because of his vast knowledge and experience, many legal organizations asked Mr. Greenberg to appear at legal seminars and speak at lectures. Mr. Greenberg handled thousands of work injury and personal injury cases. A few of his most successful cases include a trial verdict resulting in $10,000,000 awarded to his client for injury caused by the malpractice of a medical professional, a $6,500,000 verdict/settlement for motor vehicle accident resulting in wrongful death, a $6,100,000 settlement awarded to his client after suffering an on the job accident at a construction site, and two successful settlements of $3,550,000 and $2,100,000 for clients who suffered injury and damages as the result of a defective product. These successful cases, and many others like them, earned Mr. Greenberg the honorary title of "the people's attorney" among his clients as well as in the legal community. After over 50 years of representing injury victims, Mr. Greenberg passed away on June 9th, 2021. He left behind his beautiful wife Diane, daughters, and four grandchildren. His presence and contributions to Greenberg & Ruby, LLP will be missed, and his impact on all of the lives here at the firm will never be forgotten. Mr. Greenberg was aware of his failing health and left the firm with full confidence in his partner, attorney Emily Ruby. The transition to placing Mrs. Ruby in charge was a multi-year process, and, as evidenced by the growth of the firm in results and customer service during that time, Mr. Greenberg was confident that his legacy and commitment to superior representation would be carried on. David has taught me so much during our time together and his presence will be sorely missed. I lost my mentor and my friend, but the confidence he placed in me over the last few years to run the firm prepared me to carry on his legacy. If you can hear me, David, thank you for everything. We won't let you down. - Attorney Emily Ruby "Emily is the best attorney I've ever met, and I've worked with countless attorneys. She has done a great job running the firm over the last few years and I know she will continue to do so long after I've retired." - Attorney David Greenberg Mr. Greenberg was not like other injury attorneys; he had a unique passion for beating the odds to help his clients obtain maximum compensation. When Mr. Greenberg faced a difficult case, he did not give up, he fought harder. Other work injury and personal injury law firms focused on taking the easiest path possible while Mr. Greenberg focused on taking the path that was best for his clients. Mr. Greenberg grew up in poverty on the east coast of the United States. Throughout his upbringing, Mr. Greenberg was often the target of antisemitic behavior perpetrated by teenagers throughout his neighborhood. He credited his struggles to overcome his difficult, humble beginnings for developing his relentless dedication to fighting for injury victims: I grew up back east as a small, poor Jewish boy. There was a lot of antisemitism back then, and other kids would take advantage of any situation in which they could pick on me and call me names because I was Jewish. Without a big brother or anyone to defend me, I was beaten up by bigger kids every day and would have to come home in shambles to my concerned, inquisitive mother.

Emily Ruby

Job Titles:
  • Attorney
2022 "Women in Law" Award Winner, Emily Ruby, specializes in complex cases, many of which involve catastrophic injuries and deaths. Mrs. Ruby has personally obtained more than $78.6 Million in compensation for her clients with an impressive 97.4% success rate and is a graduate of the prestigious CAALA Trial Academy. She was selected as one of Forbes' Best Wrongful Death Lawyers and is a writer for Advocate Magazine Emily Ruby is a trial attorney whose practice is dedicated to representing injured people and their families against the individuals, companies, and public entities who caused them harm. Emily litigates, and if necessary, tries to verdict, personal injury and wrongful death cases involving workplace injuries, construction site accidents, dangerous properties and roadways, defective products, explosions and fires, commercial trucking, auto and motorcycle collisions, dog bites, and pedestrian and bicyclist injuries, among many other types of injuries. Emily Ruby is more than an attorney; she is a relentless advocate for justice, a mentor, and a compassionate individual who continues to make a profound impact on the lives of those she represents. Her dedication to her clients and her unwavering pursuit of justice make her a true force in the legal world. Attorney Emily Ruby did a fantastic job for me! Thank you for all of the time, dedication, effort, and knowledge you invested on my husband's case. This will greatly help us secure our kids' futures! We appreciate you so much and we are blessed to have you. From the bottom of our hearts, thank you. Attorney Emily Ruby is an exceptional attorney! As an attorney myself, I referred her a very complex auto injury case. At first there seemed to be few solutions. One vehicle hit another vehicle with such force so as to cause serious brain injury to the client. The client was making a left turn fr... Emily Ruby recently represented me & having her in my corner was the best decision. You're safe with her and you will feel it. She is really really good. You'll be heard & seen by the other side and she's a giant in that courtroom if it comes to that. She was very detailed and her mentor would be... 2022 "Women in Law" Award Winner, Emily Ruby, specializes in complex cases, many of which involve... More Info

Michael Petruzziello

Michael Petruzziello brings over 16 years of legal experience and a wealth of trial practice, selecting over thirty juries. He embodies a deep commitment to justice and the pursuit of rights for his clients, evident since his early legal journey. Michael's dedication to law began in the 10 th grade when he won a Mock U.S. Supreme Court Competition, arguing before local New York judges. He continued winning debate competitions into college. During his undergraduate years, where he earned a Bachelor of Arts in Government and Politics from the State University of New York at Stony Brook in 2004. Influenced by mentors who recognized his potential, he pursued a Juris Doctorate from Touro Law Center in 2007. His passion for ethics and jurisprudence led him to delve into criminal law, spending eight years as a public defender in his community, specializing in vehicular homicides. Notably, he was appointed the first attorney under 30 to be named Felony Trial Attorney by the Legal Aid Society of Suffolk County. While there, he regularly authored motions now used as a standard template for Suffolk County's Legal Aid Society, and gained a reputation as a fearsome trial attorney. Since relocating to California in 2020, Michael has continued his zealous advocacy, bringing his extensive trial experience to fight for his clients' rights and recovery. He is an active member of the Federal Bar of California's Central District, licensed to practice in California and New York state courts, and a member of the Consumer Attorneys Association of Los Angeles (CAALA). Beyond his legal endeavors, Michael finds joy in spending time with his wife, engaging in outdoor activities like hiking, biking, and attempting to surf. A supporter of the Lakers, he passionately cheers on the NBA team.

Sergio R. Cardenas

Job Titles:
  • Staff Member
"I enjoy making a positive impact in peoples' lives and helping them secure their futures. My clients know that I care about them and that I am relentless, inside and outside of the courtroom." - Attorney Sergio R. Cardenas Sergio believes he provided an honorable service securing impressive outcomes for injury victims. Sergio's genuine caring nature and his unwavering commitment to "making things right" in his clients' lives is why many of his clients love working with him. Mr. Cardenas began his career as an immigration paralegal while attending UCLA Extension. After finishing his studies to earn his paralegal degree, he secured a paralegal position at a prestigious law firm, simultaneously studying to become an attorney while working as a paralegal. Through relentless effort and dedication to his goals, he secured his attorney license with the California State Bar and began his attorney career fighting for injury, lemon law, and immigration violation victims. He especially enjoyed the time he's spent representing clients in court proceedings. Many of his clients do not know English, and thanks to Mr. Cardenas being a native speaker of Spanish and fluent speaker of French and English, he's been able to connect with his clients in a more productive and meaningful way, providing an attorney-client experience that cannot be matched. Sergio has always loved picking the big fights and winning. He has secured impressive outcomes for numerous injury and lemon law victims. Sergio R. Cardenas is a caring, devoted attorney and is uniquely suited to fulfilling his clients' needs. In his spare time, Sergio enjoys playing music, reading books, exercising, and hiking. A Sergio siempre le ha encantado elegir las grandes peleas y ganar. Ha obtenido resultados impres...