During his time as a Utah assistant, Bratenau helped developed seven all-conference players, including Slim Hamza, Utah's first All-Pac-12 selection and the 2012 ITA Rookie of the Year. He also assisted in coaching six All-Mountain West Conference players from 2008-2011 including MWC Players of the Year Zach Ganger and Phillip Ellers.
Prior to joining the Utah staff in 2008, Brateanu was on the coaching staff of the Guatemalan Fed Cup Team. The team attained its best result with a fifth-place finish in the America's Zone Group II.
While in Guatemala, he also coached two junior talents, leading them to a No. 1 ranking in their respective age groups. Additionally, Brateanu is a Bigger Faster Stronger certified strength and conditioning coach and clinician.
As a player at Utah, Bratenau was named first-team All-MWC twice in doubles (2003-04) and once in singles (2003). He was the regional winner of the prestigious Arthur Ashe Sportsmanship and Leadership Award in 2004, when he was named Utah's MVP.
Brateanu also earned numerous academic awards as a player, including academic all-conference honors and a spot on the Athletic Director's honor roll. He was the team captain his senior year and served on the Student-Athlete Advisory Committee.
A native of Amsterdam, the Netherlands, Brateanu graduated from Utah in 2004 with a bachelor's degree in mass communications. He is married to Astrid Paredes.