John Marshall Rockets
2014 Coaching Staff

If you have a question, please contact your daughter's coach.  You may email any coach by clicking on their picture or name below.  Click here to send an email to the entire coaching staff.  You may also leave a message for one of the coaches by calling the John Marshall Athletic office at 328-5330.  For general questions about JM Athletics please contact AD Paul Cox.


398-3408 (cell)
529-9428 (home)

Thang Nguyen
  - Varsity Head Coach

In 2014 Coach Nguyen will be in his 13th year as the Varsity Head Coach and 20th year overall with the John Marshall softball program.  Coach Nguyen has an overall record of 143-138 including a career best 19-6 record in 2012.  Coach Nguyen earned Big Nine Coach of the Year honors in 2013 and 2012, and the team claimed consecutive Section 1AAA runner-up finishes in 2012 & 2011.

Coach Nguyen is a health teacher at JM and also a varsity assistant coach with the JM Boys Football program.  A 1987 graduate of John Marshall, Thang received his Health Education degree from the University of Wisconsin-La Crosse.

Thang is married to wife Sarah, and has three sons; Marcus, Maxwell, and Mason.


252-5696 (home)

Brendan Adams
  - Varsity Assistant Coach

Coach Adams enters his 12th year with the JM softball program as varsity assistant.  Coach Adams is a strength coach and physical education teacher at John Marshall.  Brendan is also the head coach for the 9th grade football team at JM.

Brendan is a 1985 graduate of John Marshall high school and has been in Rochester since the age of seven.  Brendan is married to wife Amy, and has three daughters - Jenna, Taryn, and Taylor.


951-1631 (cell)
288-0803 (home)

Don Jochum
  - JV Head Coach

Coach Jochum is in his 6th year with the JM softball program, and fourth season as the JV head coach.  Coach Jochum has coached summer RYFSA teams for many years and also serves on the RYFSA board.

Don is married to wife Beth and has three kids; Jordan (JM graduate), Haley (JM graduate), and Ashley.


951-5525 (cell)

Brianna Harmening
  - C-Squad Head Coach

Coach Harmening is in her 1st year as C-Squad Head Coach.  Brianna is the director of the juvenile detention services in Olmsted County.  Brianna played softball in Chatfield and also at RCTC.


358-7115 (cell)
281-3011 (home)

Mike Breitbach
  - Assistant Coach

Mike has been a volunteer coach with the JM Softball program for the last 13 seasons, the last ten years with the Varsity team.  Mike works as a software engineer with IBM and has also coached summer fastpitch through RYFSA the last 13 years.

Mike is married to wife Valerie and has two kids who graduated from JM; Kate and Betsy.