Coaching Staff


Henk Jansen

Head Coach 

Henk, an ASCA Level IV Coach, starts his 9th season with the Piranha Swim Team. Before joining the Piranhas,he was an Assistant Coach with the OMNI Swim Club of New Haven from 199-2004, Head Coach at East Haven from 1997-98, and a Volunteer Assistant at Southern Connecticut State University for the 1997-98 season while working full-time as a Computer Analyst for SNET (now AT&T) in New Haven.   Henk graduated from Southern Connecticut State University with a Bachelor of Arts degree in Corporate Communications and a minor in Computer Science. Over the course of his 15 year coaching career Henk has sent numerous swimmers to compete at the collegiate level and has developed multiple USA Senior and Junior National qualifiers and in 2008 coached Piranha Peter Geissinger to the 2008 USA Olympic Team Trials in Omaha, Nebraska. In 2006, for his accomplishments and contributions to the sport of swimming, Henk was inducted into the East Haven High School’s Athletic Hall of Fame and in 2007 he was honored by his alma mater, Southern Connecticut with the Bruce Hutchinson Alumni Award.   From 2006-2010 Henk severed as Connecticut Swimming’s Senior Chair and he is currently a member of the CT Swim’s Technical Planning Committee. Henk resides in Shelton with his wife, Michele, daughters Olivia and Avery and his son Zach.


Jason Cochran

Head Assistant Coach 

Jason, a graduate of West Virginia University with a degree in Broadcast Journalism and an ASCA level III coach, starts his 5th year of coaching with the Piranhas. He was promoted to Head Assistant Coach of the Piranhas in 2008 and currently an assistant coach with the Darien High School Girl’s Swim Team. Before joining the Piranhas, he was an Assistant Coach for the Whippany Waves of Whippany, NJ for three years working with all levels of swimmers from developmental and novice to senior athletes. Over his 5 years with the Piranhas, Jason has coached every training group on the Team. In 2008 his 8/Unders won the New England Championship and in 2010 his 9/10’s won the same title. Also in 2009 his 9/10 200 Medley and 400 Freestyle relay Teams broke CT State records. He works primarily with the Junior and Poseidon groups, but often coaches the Nautilus swimmers as well. He currently resides in Stamford.


Liz Blau

Assistant Coach 

Liz Blau, is starting her 3rd year of coaching with the Piranhas and her 2nd as a full-time coach. Liz brings a wealth of coaching experience and knowledge to the team. Before joining the Piranhas, Liz was the Men’s and Women’s Head Swim Coach at Rutgers University, an Assistant Coach at the Red Bank YMCA and an Assistant Coach with Scarlet Aquatic Club of New Jersey. She will working primarily with the House, Nautilus and Poseidon groups. Liz resides in Stamford with her husband Fritz and their three children, Ashley, Billy and Haley.


Jim Matthews

Assistant Coach (YMCA Aquatics Director) 

Jim Matthews, the Darien YMCA Aquatics and Waterfront Director is the longest tenured Piranha Coach on staff. Before joining the Darien YMCA in 2000, Jim was an Aquatics Director at the Wilton YMCA. He has taught hundres if not thousands of kids how to swim in the Fairfield County Area. He brings decades of coaching and teaching experience to the Piranhas. His duties with the Piranhas include working primarily with the Maia group. He is a native of Rainbow Lakes, NJ, and currently resides in Stamford with wife Susanna.


Amy D’Andrea

Assistant Coach (YMCA Assistant Aquatics Director) 

Amy, starting her 8th year of coaching with the Piranhas, is the Darien YMCA Aquatics Programming Director. Before joining the Darien YMCA, Amy coached and taught swim lessons at the Merrimack Valley YMCA in Andover, Mass. She was a competitive swimmer, diver and synchronized swimmer and is a graduate of Springfield College with a degree in Psychology. With the Piranhas, she works primarily with the Maia group. She resides in Stamford with her husband Dan and their children Jessie, Mia, Samantha and Daniel.


Jessica Johnston

Assistant Coach

Jessica starts her 5th year of coaching with the Piranhas. She was a full-time Piranha Assistant from 2010-11 before she moved back to Syracuse for a year. She is a graduate of Lemoyne College in upstate New York with a degree in Psychology. While at Lemoyne she was a four year member of the Lemoyne Varsity Swim Team and captain her senior year. Since coming to the Piranhas she has coached every group on the Team and has assisted on many of the Senior travel meet trips. She works primarily with the Nautilus and Poseidon groups. She is a native of Syracuse, New York and currently resides in Norwalk.


Timea Libertiny

Assistant Coach 

Timea, a teacher for the Montessori School in Greenwich, is starting her 7th year of coaching with the Piranhas. She is a graduate of St. Bonaventure University in upstate New York where she studied History and was a collegiate swimmer for four years. Before joining the Piranhas, Timea was Assistant Coach with the Iona Gaels Swim Team in New Rochelle, New York for a year as well as a coached at the New Canaan Country Club for two summers. Over her tenure, Timea has coached every group on the Team except the Seniors. She currently works primarily with the House group. Timea resides in Norwalk.


Chris McCabe 

Assistant Coach 

Chris, a former Piranha parent, will be starting her 3rd year as Piranha coach. She was an instructor with Joan LaClair Swim School for over 10 years. Chris was a varsity swimmer while at St. Lawrence University where she graduated with a Bachelor of Science in Math and Economics. She lives in Darien with her two children James and Caroline, who at one time swam for the Piranhas and her husband Jim. Chris will works primarily with House.


Michelle Krizni 

Assistant Coach 

Michelle, a long time Pre-School teacher at the Darien Y, starts her 3rd year with the Piranhas. She graduated in 2005 from Roger Williams College with a degree in Art History. Before joining the Piranhas, Michelle has taught every level from swim lessons to swim team the last 9 years. With the Piranhas, she will work primarily with the Nautilus and Poseidon groups. Michelle is an accomplished artist and plays clarinet in the New Canaan Community Band. She lives in Danbury with her husband Anthony and their Siberian Husky, Sasha.