Our Coaches

Ulmis Iordache

Ulmis started the Greenwich Aquatics program in 2007 and has been leading the club for the last 15 years.

Ulmis began playing water polo at the age of 5 in Bucharest. From 1997 to 1999 he played for C.S. Steaua Bucharest and participated as a 1997 Romanian Cup '84-'85 Winner; 1998 National Championship '82-'83 Runner-up; 1999 Romanian Cup '84-'85 Winner; 1999 Winner of Tanaka Cup; and 1999 National Championship '82-'83 Winner.

From 2000 to 2002, Ulmis played for LER Steaua. He was the 2000 Romanian Cup '83-'84 Winner; 2001 National Champion '84-'85 Third Place finisher; and 2002 National Championship '84-'85 Winner. On the Romanian National Team in 1999 to 2002 '83-'84, Ulmis played in the qualifying of the European Championship in Belgrade and was winner of the Belcan Cup in 2000. He also played for Sportul Stundentes c in 2002 to 2003.

Ulmis has been the head coach for the Brunswick High School Boys team since 2009 when the program started and has built the school’s program to a national powerhouse. Ulmis also coaches the Greenwich Academy High School Girls team in the spring and has been doing that since the inception of the program in 2016.

Ulmis lives in Westport with his wife (who coaches Diving at Yale) with their two sons who just starting playing water polo. 


Kim Tierney Wang

Kim is a founder director of Greenwich Aquatics back in 2007 and has been the director of operations for the last 15 years.

Kim was an All-American at Bucknell University from 1995 to 1997.  There she was Team Captain in 1997 and was lead scorer all four years with a career total of over 500 goals.

At Columbia University, Kim was a member of the First Team New York Division All-Conference Team and the Collegiate All-Academic Team in 2002 and 2003. In 2003, she was named Most Valuable Player- New York Division. She was the highest scorer at 2003 Women's Club National and was the lead Columbia scorer at all tournaments.

In 1994, Kim was a member of the USA Olympic Festival Team. She is the first and only female to join the boys' Greenwich High Water Polo Team. Kim was part of the first women's team at the New York Athletic Club in 2002 and she continued to play with them for over 12 years.  In 2006, she was inducted into Greenwich Aquatics Hall of Fame.

Kim is a graduate of Bucknell (BA in Psychology) and Columbia University (MA & EdM in Psychological Counseling). Kim lives in Greenwich with her husband and 3 children, all who play water polo.

Gabriel Maldonado

Coach Gabriel has been coaching with Greenwich Aquatics since 2016.

Gabriel began playing water polo at the age of ten in the State of Lara, Venezuela. He started his career as a goalkeeper and managed to be in the #1 goalie in his country for several years.  He then became a field player, where he won Gold in the National Championships.  He participated in the National League of water polo of Venezuela. 

Gabriel immigrated to the United States in 2015.

Gabriel has Master's degree in Sports and Organizational Psychology and was professor of Psychometry at the Yacambu University, served as a sports psychologist for athletes and teams of a wide variety of disciplines in addition to working with the Venezuelan Federation of Aquatic Sports with national teams.

Gabriel coaches the Greenwich Country Day High School Boys team in the fall and the Sacred Heart Girls team in the spring.

Gabriel is also a CWPA & USAWP certified referee and continues to develop his whistling skills.

Gabriel lives in Norwalk with his wife a two children who both play water polo.

Paul Constantin

Coach Paul has been coaching with Greenwich Aquatics since 2019.

Hailing from Romania, Paul comes to us with over 20 years of water polo experience.  Paul started playing goalie at the age of 7.  He played professionally in the Romanian Super League for 7 years before moving to Germany to continue his pro-career for 4 years at two different clubs (Duisburg SV 98 and SG Neukölln Berlin). He played in over 350 games in his professional career and brings invaluable knowledge of international water polo experience.  He is still an active water polo player for the New York Athletic Club.

Paul was the head coach for the Greenwich High School girls team from 2015-2022 and was also one of Chelsea Pier’s age-group coaches for five years.

Paul holds a degree in Environmental Engineering, Biotechnical and Ecological Systems. He speaks 4 languages (Romanian, Hungarian, German, English).  He currently lives in Greenwich with his wife and their two daughters.

Jamie Wolff

Coach Jamie has been coaching with Greenwich Aquatics since 2011.

Jamie has been around water polo for most of his life.  He started playing at age 8 in the FCSL and begin playing year-round in high school.  He was selected for the 2003 National Cadet B Team as well as the 2005 National Youth B Team.  Jamie went on to play at Pepperdine University.

Jamie has been officiating collegiate water polo for over 14 years. He is a Level 3 Referee for USA Water Polo and also a tier-two NCAA Certified Referee. He serves USA Water Polo as the Northeast Zone Head Referee.

Jamie is the current head coach of the La Salle University women’s team and has already had much success in his first year coaching. 

John Krill

John has been coaching with Greenwich since 2022.

John Krill started playing in our program at the age of 10 and played with us until he went off to Connecticut College, where he played water polo. 

In the last year, he has had great results in coaching.  His 12UB Boys got to the b bracket podium in all three national tournaments they attended - Kap7, San Diego Cup and JOS. Additionally, he took the 10U Girls team to a Silver Medal at Junior Olympics.   

In the summer, John also coaches the Roxbury Summer league water polo teams.