Coaches & Directors
We are here to support your needs. If your questions are related to workouts, meets, events, goal setting, and other swimming related needs, please contact one of the coaches. For all questions related to administrative, such as dues, safety, or policy issues, please contact one of the board members.
Coaching Staff

BJ Allenstein

Coach, 1604


Coach Brandon Allenstein (Coach BJ) This is the start of my 18th year coaching Club swimming. I have worked with all levels of kids from beginner to Olympic Trial qualifiers. I was an elite age group swimmer with several top times at the national, state and club (DADS) levels. I graduated from Churchill HS in 1995 and from UTSA in 2013 (Bachelor of Science in Kinesiology with Teacher Certification). I have a wonderful and loving family with my wife, Laurel, and 2 sons, Logan (3 1⁄2) and Geoffrey (3 months). Family is very important in my life and swimming is part of my family.  

ASCA Level: 1 working on 2 and 3.  

TSA TAGS Committee Chair South Texas All Star Select Camp Committee Representative I have also served on the South Texas Board of Directors as the Age Group Chair and Coaches Rep.

Doug Andrew

Coach, GBAC


Coach Doug Andrew has coached at every level of the team here at the George Block Aquatics Center.

Novice Coach (10&U) - Alamo Area 1981-1991

Age Group Coach (11-14) - Alamo Area 1991-2006

HS1 Coach - Alamo Area 2007-2009

HS2 Assistant Coach - 2009-present

John Marshall High School - Swimming and Water Polo Coach 1981-2009

ASCA Certification - Level 5

Missy Bahr

Coach, 1604 Nat


Melissa “Missy” Bahr is a native of Orem, Utah. She and her husband and four cute children- Kaylee, Lucas and Sydney and Wesley moved to the San Antonio area in the spring of 2014. She attended Mountain View High and lettered in swimming all four years of her high school career. Her favorite swim stroke is the butterfly- she once swam a 500-yard butterfly race because she whined too much to her coach about how long the 100 fly race was! She graduated from Brigham Young University with a bachelor’s degree in Recreation Management, emphasis in Youth Leadership. 

Missy started her coaching career in 2000 and coached swim teams with Orem 
Timpanogos Aquatics Club, Mountain View High School, Timpanogos High School, and the City of Orem. She is very excited to be apart of the Northside Alamo Area Aquatics Association Swim Team.

She is certified through United States Swimming (USS), American Swim Coaches Association (ASCA), American Sports Education Program (ASEP), and Red Cross (first aid, CPR, and coaches’ safety). 

Missy loves swimming and working with kids. She believes there is nothing better than helping swimmers set and achieve their goals. There is so much our swimmers can learn about life through swimming!

Asca Level: 2

Jeremy Block

Lead Age Group Coach, GBAC


Coach Jeremy Block literally grew up at the George Block Aquatics Center and has been around swimming his entire life. He split his younger athletic endeavors between swimming, basketball, and soccer; finally committing to year-round swimming in middle school.

Coach Block attended Holmes High School where he swam and played water polo for four years, eventually earning an all-district water polo award and the school records in the 100 and 200 backstroke as well as part of the 200 freestyle relay. After graduating from Holmes high school, Coach Block attended the University of Redlands where he swam for four years and was part of seven consecutive SCIAC conference titles won by the Redlands men's swimming and diving team.

After graduating from Redlands with a major in history and a minor in anthropology, Coach Block immediately returned to San Antonio with the goal of returning to his home pool to turn what was then a very novice coaching hobby into a career. Coach Block is currently working in the office at the George Block Aquatics Center and is seeking a Masters Degree in International Sport Coaching with an emphasis in swimming from the University of The Incarnate Word.

ASCA Level: 2

Ana R Carey

Asst Coach Elite and Coach, 1604


Coach Ana Carey is a native of El Paso, Texas.  She started swimming there at age 5 and continued through high school with legendary El Paso coach, Leo Cancellare, and later at North Texas State University.


Coach Carey is a Registered Dietician and currently consults at St. Mary’s University.  She has three children that participate on the team at the NISD Natatorium, Justin, Claudia and Diego.


ASCA Certification - Level 2

Nyssa Counts

Coach, 1604 Nat


Coach Nyssa Counts is a Kurt Swanson protégé, swimming under his tutelage throughout her high school career.  During that same time, she swam for Holmes as a consistent Regional competitor.

She began her coaching career as a Summer League assistant coach for Gabriel Best at Northchase and is currently an Instructional Assistant with the Northside ISD as well as Head Coach for the Woods of Shavano Summer League Team.

ASCA Certification - Level 1

Laura Cox

Consultant and Coach, GBAC


Coach Laura Cox works for the Southwest Foundation for Biomedical Research here in San Antonio.  She is an Associate Scientist in the Department of Genetics and a Core Scientist in the Southwest National Primate Research Center.

From 1977-1985, she was the first woman to work as a lifeguard at Huntington State Beach. From 1984-1985, she was the Assistant Swimming and Water Polo Coach at Washington and Lee University in Lexington, VA.  She was also the Head Swimming Coach for the Rockbridge Aquatics Team in Lexington as well.  From 1985 until today, she has held numerous coaching positions with Alamo Area Aquatics Association (Northside Aquatics): Novice Coach, 1985-1987; Senior Coach, 1987-1988; Age Group Coach, 1988-1989, Head Age Group coach, 1989-1990; Head Novice Coach, 1991-1993; Head 8 & Under Coach, 1993-1998; Head Novice and 8 & under Coach, 1999; Head Coach 10 & unders, 2000 - present.

Since 1998, she has held a chair on the American Swimming Coaches Association Anti-Doping Advisory Committee.

She has also published the following books:Fundamentals of Competitive Swimming for 8 & Unders: Based on Breath Control, Balance, Sculling and Rhythm; Fundamental of Competitive Swimming for 8 & Unders, The Video; and Dryland for Age Group Swimmers.

ASCA Certification - Level 4

Derek Howorth

Head Coach, Elite, 1604



Coach Derek Howorthjoined NISD Aquatics in the fall of 2006 as the Head Coach of the George Block Aquatics Center. He grew up in San Antonio where he swam with AAAA and Jay High School. While at Jay he was a UIL State medalist in what many say was the greatest race in the history of Texas High School Swimming (1992 Boys' 200IM), a many time All-American and current record holder at Jay.

Coach Howorth continued his swimming career at the University of Texas where he was a 6-time All-American, US Olympic Trials Qualifier, and a member of the UT National Championship Team in 1996. While at Texas he earned his degree in Applied Learning and Development/Sport Management.

After college, Derek began coaching as the Head Coach of the Florida Aquatic Swim Club (the club team for the University of Florida). From there he moved to the Highlander Aquatic Club in Orlando, before returning home to Texas as the Associate Head Coach of the famed Cy-Fair Swim Club (a.k.a. The Fleet).

During his time coaching Derek has developed over 20, National Top 16 swimmers, served the Texas Age Group Swimming Committee (Chair), All-Star Committee (Chair), been named Gulf Swimming Age Group Coach of the Year in 2005 & 2006, and named TSA and ASCA Age Group Coach of the Year in 2006.  Coach Howorth has also had the opportunity to share his swimming and coaching experiences in Kenya (2010), Dubai (2012) and The ASCA World Clinic (2013).

Coach Howorth enjoys coaching because it allows him to help kids learn life lessons through the sport of swimming.

During his free time Derek enjoys traveling, cooking, cycling, being outdoors (when it’s not too hot) and spending time with his wife, Angela, whom he married in October of 2009.

ASCA Certification - Level 4

Tanya Nicole Lane

Coach, 1604


Coach Tanya Lane joined the Northside staff in the summer of 2011. She grew up in San Antonio where she swam with AAAA and still holds records in the 10 & under and 11&12 age groups. She is very proud to  currently share the AAAA record board with her son, Hunter, who swims at Northside. Her high school swimming years were spent in Florida where she was a member of the 1986 U.S. World Championship Team and earned a 9thplace world ranking in the 400 IM. She competed in the 1988 Olympic Trials, finishing 5thand 7thin the 200 IM and 400 IM, respectively. 

Coach Lane continued her swimming career at the University of Notre Dame as an All-American and competed in the 1993 Olympic Trials. Many years later, she took up Master’s Swimming and has won National’s in several events. Both Coach Lane and her husband, Will, swim Masters at the Northside pool and have 3 boys, Hunter, Austin and Sean, whom all participate at Northside Aquatics. 

She is excited to be coaching swimming and be able to give back to a sport that has meant so much to her over the years. 

ASCA Certification: Level 2

Alyssa Martinez

Coach, GBAC


Coach Alyssa Martinez was a AAAA swimmer since she was eight years old participating in the age group program at the 410 pool and high school at the 1604 pool. She was a varsity swimmer for both Stevens High School & Brennan High School where she was a district finalist all four years, a regional finalist for two years and a 2012 4A State qualifier in the 100 butterfly, 100 breaststroke and the 200 medley relay. In summer 2009, she started off as a swim instructor for Swim America, and really enjoyed teaching kids how to swim and then became a Westcreek summer league swim team assistant coach. She is now excited to be a club coach at the pool she started at and is excited to teach kids to love swimming as much as she does. On top of coaching, she is currently a full-time student at the University of the Incarnate Word as a pre-nursing student. 

ASCA Level: 1

Kris Pequeno

Coach, 1604


Swam for the City of Midland Aquatics club from the age of 9 years old and continued swimming competitively for the next 9 years all the way through high school. Upon completing her B.A. in Psychology from the University of Texas at San Antonio she decide to return to her passion for swimming as a coach at NISD Aquatics. Kristina's swim career includes being coached by highly known and decorated Coach Ted Carson who is now coaching for City of Plano Swimmers. As well as, spending a few summers at Arizona Sports Ranch Swim Camp being coached by Olympic swim coach Bob Gillett. 

Kristina's passion for swimming is evident through her commitment to her young swimmers and through her philosophy that swimming is not just an activity but a way of life.

Kristina is American Swimming Coaches Association (ASCA) Level 2 certified and currently working on her ASCA Level 3 certification. Her future plans also included returning to the University of Texas at San Antonio to earn a B.S. degree in Kinesiology and a UTSA coaching certificate.

Megan Perez

Lead Age Group Coach, GBAC


Megan Perez grew up swimming in Northside Aquatics, while in high school she swam for Warren HS and swam club under Coach Howorth.  While in high school she started teaching swim lessons.  After graduating High School, She started coaching with AAAA at the George Block Aquatics Center as an 8 and under coach. Megan has coached a variety of levels from novice swimmers to TAGS qualifiers.   Megan attended St. Mary’s University and graduated with a BA in Mathematics, as well as a teacher’s certification.  She is currently teaching mathematics at John Jay High School.

This Season Coach Megan will be working with the 12 Navy and 12 Gold groups. 

ASCA Level: 2

Drew Rodriguez

Coach, GBAC


Coach Drew Rodriguez grew up at Medina Lake and started his life in the water skiing, knee boarding, and bare footing around the age of five. Later on as he grew to be braver in the water he enjoyed cliff jumping and scuba diving where he took the opportunity to scuba dive inside Jacob’s Well.


He attended John Jay High School where he joined the swim team and swam competitively for his first and only season. He absolutely enjoyed the physical and mental challenges of the sport. He still loves to be athletic and enjoys playing many other sports when he has the chance.


Coach Drew started coaching at the George Block Aquatic Center in 2002.       


ASCA Certification - Level

Bill c Thomas

Head Coach, GBAC


Coach Bill Thomas coached at Northside from 1987-1998 and rejoined the district in 2001 to coach at O’Connor High School.  During his coaching career he was a part of a Junior National Team Championship, coached numerous Junior National Champions, UIL Champions, USA National Team Members, Olympic Trials qualifiers, a World Championship gold medalist and over 100 high school and collegiate All-Americans.


A lifetime member of the American Swimming Coaches Association and Instructor of the ASCA Stroke School, Coach Thomas has been nationally recognized with a Counsilman Creative Coaching Award for developing the “Backstroke Canopy” seen at the George Block Aquatics Center.  He has also written and published numerous articles in the areas of Coaching and Leadership.


Coach Thomas is a native of Oregon where he was a high school state champion, collegiate All-American and National Championship competitor in the freestyle.  He also played collegiate water polo and holds a Master of Science degree from Southern Oregon University.


ASCA Certification - Level 4

Lorna Walters

Coach, 1604


Coach Lorna Walters recently returned to coach at Northside where she started her coaching career. 


In 2002 Coach Walters began as a Swim America Instructor.  In the fall of the same year she was hired by Laura Cox as the Girls Age Group Coach. 


In the summer of 2004 Coach Walters moved to Marina, California where she was the Head Age Group Coach and Swim Lessons Coordinator for the Seaside Dolphins, under head coach Ken Fittro.  In 2006 Coach Fittro added high coaching to Coach Walters’ assignment as the Seaside High School Junior Varsity Coach. 


In December 2006 Coach Walters became the Head Age Group Coach for Sea Devils Swimming under Coach Victor Abrahaminian in Burke, Virginia. 


Coach Walters returned to Northside as the Senior Assistant Coach in 2008. She is now the coach for the Senior Development Team.


ASCA Certification – Level 2

ChenChen Zhao

Coach, 1604


Originally hailing from China, Coach Zhao has over 10 years of competitive swimming experience. Coach Zhao excelled in competition, eventually earning herself a place on the Beijing Professional Swim Team. In addition to her swimming experience, Coach Zhao also has over 8 years of coaching experience.

Coach Zhao recently received her Masters degree in Kinesiology from UTSA.

ASCA Level: 2