2022-to-date
Coaching Edouard Roger-Vasselin

2016-2021 
Coached Mike and Bob Bryan 

2018, 2022
Coached Mike Bryan and Edouard Roger-Vasselin

2021
Coached Madison Brengle

2018
Coached Mike Bryan and Jack Sock
Coached Kaia Kanepi

Other players coached/worked with include: Ryler DeHeart, Wayne Odesnik, Madison Brengle (since she was 4 years old), Nicholas Mahut (Tour event DC), Kim Schiff, Cameron Morra, Jessi Robinson, Shannon Buck

Titles that he has coached his players to victory and winning the championships:
US Open 2018 Bryan/Sock
Wimbledon 2018 Bryan/Sock
World Tour champions 2018 Bryan/Sock
Bryans Delray 3 Times, Miami Masters 2 times, Monte Carlo 1 time
Finals Madrid, DC, Vienna, Acapulco, Indian Wells

Coached Bryans back to 2 in the world 
Coached Mike Bryan to no.1 in the world, oldest world no.1 in doubles
Coached Mike Bryan to 2 million prize money in one year

Coached Madison Brengle in 2021 from no.92 WTA back to no.58 WTA winning Dow Classic in Michigan and Macon Ga. Winning 15 of 17 tour matches fall of 2021. Brengle also has a career win over Serena. 

Other players that he has coached have won the following NCAA Indoor Championship, NCAA individual and team championships. 

2021-2022
A part of the French Coaching staff for ATP Cup

Coached and worked with the following players to no.1 in the USA junior rankings: Jessi Robinson, Kim Schiff, Madison Brengle, Shannon Buck, Ryler DeHeart

2019
USA Tim Gullikson Pro Tour Coach of the Year 

Quotes 

Jay Berger: “Dave Marshall is one of the top 5 doubles coaches in the World.”

Aaron Krickstein: “Dave Marshall is a great coach an inspiration.”

Mike Bryan: “Thanks to Dave Marshall for Turning our game around.”

Bob Bryan: “The tennis world on elite pro doubles knows Dave Marshall and his value to our team, that is what matters”
 
Madison Brengle: “Dave Marshall has been with me since the start.”

Dave Macpherson: “We are coaching partners and have achieved a lot together.”

Doctorate in Education 

Masters in Business

As a player ranked 1 USA 45 and 50 doubles with career wins over Mario Tabares, Pablo Albano, Wade McGuire, Will Bull, Oren Motevessal

Ranked top 50 in ITF Doubles

NCAA Semi Finalist Team

Several time State and Sectional Champion

30 National Titles