With more than three decades of legal experience, Daniel P. Powell is a partner at Thon Beck Vanni Callahan & Powell and a member of the Los Angeles County Bar Association, the Consumer Attorneys Association of Los Angeles and the American Board of Trial Advocates with the rank of Advocate. His practice focuses primarily on catastrophic personal injury, medical malpractice, product liability, premises liability and wrongful death. Mr. Powell earned his Bachelor of Science degree from the University of California in 1975 and his Juris Doctorate from the University of La Verne College of Law in La Verne, California in 1978. Mr. Powell has earned an AV preeminent peer review rating for the last 20 years.


Mr. Powell is very experienced in handling the most complicated personal injury disputes. His extensive background as a trial lawyer, arbitrator, mediator and judge pro tem gives him the comprehensive perspective to make him a knowledgeable, skillful and effective advocate for injury victims and other plaintiffs in Southern California. As the result of his superlative work for personal injury clients and his service to colleagues in the legal community, Daniel P. Powell is designated as Super Lawyer in the Los Angeles Magazine survey of his peers each year from 2006 through 2016. He was also named a top attorney in personal injury by Pasadena Magazine each year from 2010 through 2014.


At Thon Beck Vanni Callahan & Powell, we are proud of the work we do for the victims of personal injury and wrongful death. Conveniently located in the heart of Pasadena, we offer flexible appointment hours and onsite visits when needed. There is never a consultation fee to meet Mr. Powell. If you have been injured because of the negligence of another person, a business or a government agency, please feel free to call Mr. Powell today at (626) 795-8333 or contact him online to arrange a free initial consultation.


  • Medical Malpractice: $8,357,921
  • Premises Liability/Workplace Injury: $7,100,000
  • Product Liability/Construction Accident: $6,500,000
  • Birth Injury: $6,345,543
  • Medical Malpractice: $5,000,000
  • Birth Injury: $4,756,872
  • Medical Malpractice: $4,650,000