David has been representing clients throughout Washington, DC, Maryland, and Virginia for 28 years and has been with the office since its founding, working side by side Mr. Cochran. He has served as the Managing Partner since 2010. 

He is known for his client service, accessibility, and responsiveness, as well as his results.

He has significant experience handling cases involving commercial vehicle and trucking collisions, gas explosions, carbon monoxide poisoning, drownings, fires, inadequate security, medical malpractice, train collisions, product liability, and police misconduct, among others. David has handled dozens of cases involving wrongful death, paralysis, loss of limb, loss of sight, brain injury, and other very serious injuries, often against large corporations or municipalities, securing some of the largest verdicts and settlements of their kind.  

As lead counsel, David has obtained over 100 seven and eight figure recoveries through verdicts and settlements for his clients.
Virginia Lawyer’s Weekly has recognized Mr. Haynes for achieving one of the largest verdicts in Virginia for a given year, as well as for securing two of the largest settlements in wrongful death cases in the state. 

He is a prior President of the Trial Lawyers Association of the District of Columbia, which is the trial bar for injured people and consumers.

From 2016 to present, he has been named to the Best Lawyers in America in Washington, DC for Personal Injury and Medical Malpractice.  David has been named a Super Lawyer for every year from 2013 to the present in Personal Injury for Washington, DC. Only up to 5 percent of DC attorneys are selected as Super Lawyers. 

He has also been appointed by various Courts to leadership positions in complex injury litigation, including: 

• Co-liaison counsel for all Plaintiffs in the Fort Totten Metrorail disaster, a train collision that resulted in the death of 9 people and injuries to 85 others 
• Member of the Plaintiffs Steering Committee in a class action for sexual abuse and privacy violations against Johns Hopskins comprised of over 8,000 class members where a $190 million settlement was secured for the victims

David has lectured at multiple legal conferences to other lawyers, including the National Trial Lawyers Summit and Mass Torts Made Perfect. He has been interviewed or quoted by numerous national and local news outlets, including CNN, ABC, CBS, NBC,  The Wall Street Journal, and others. 

Active in the community, David is a member of the Board of Directors of the Abramson Scholarship Foundation, a not-for-profit charitable organization that provides scholarships for disadvantaged high school graduates going on to college and fellowships for law school graduates who accept non-profit public interest positions.