welcome to 


Weight Loss


muscle gain

"me time"

How many times have you told yourself you’re going to lose weight?  This is your last time. Every member receives free Nutrition Coaching.

Are you hard on yourself for failing? Sick of not reaching your goals?  We give you success, which builds confidence in all areas of your life.

Working to gain muscle?  With our unique programming and nutritional approach, you will gain lean muscle while shedding fat.

Life can be hectic at times. We get it.  The time you spend here is truly yours. We’ve taken care of everything so you don’t have to think of anything.


Dave Gonzalez


Whatever your name is, I’m the guy yelling it when you come in for class. I love what I do and I love sharing my knowledge of CrossFit and functional movement with every class that I coach.

I was in sales at the time I found CrossFit. My mom convinced me to take the chance and get my Level 1 certification. After 5 minutes of the first lecture, I knew that coaching CrossFit was what I was meant to do in life.

I cemented myself at CrossFit Redux in Concord with my beautiful girlfriend and rock in life, Amanda Herman. Fast forward to today; CrossFit Redux is going strong in its new home on Mare Island in Vallejo and my now wife and I have just welcomed our baby girl into the world. Amanda and I have been lucky enough to share this journey together and she continues to be a big part of what makes Redux what it is today.

Nathan Brammeier


I’m Nathan Brammeier and I dream of living in a world where Doritos dipped in Frito Lays Nacho Cheese Dip is the answer to all of our health problems. But until that day, I’ll continue to deliver the absolute best nutrition and lifestyle advice.

I am using my 8 years of experience as an organic chemist at a biotech company, 3 years as a wellness coach for a hospital, and 6 years as a CrossFit owner to help you achieve health goals and dreams you no longer thought were possible.

This is more than a job for me; I’m on a mission to give you the energy and vitality you need to live out your purpose in life.

Tyler La Monda


I am married to Coach Mallory and have been CrossFitting for many years now. Not until I found CrossFit Redux had I ever considered coaching. Dave's philosophies, style of coaching and awesome movie quotes convinced me. I help maintain the Redux’s website, create all our graphics and am the founder of the WOD Club. I love entertaining during my classes, telling jokes and keeping everyone on their toes. Any complaints about the WOD gets met with “Well, it all goes towards the beach body.” 

Mallory La Monda


Hello Hello All. I am a mother of two amazing girls and wife to Coach Tyler. Vallejo is our community and I love helping Redux become more integrated into our beautiful city. I have been coaching here at Redux since 2018 and also help to organize community events such as the “Redux Challenge” and “Fill the Tire Toy Drive” I am planning on introducing several more charitable events in the future. All our events benefit the local community. I love it here at Redux as it truly changed my life. During my class you should expect to find me singing and dancing. We have fun and get ‘er done!

cami tom

Assistant (to the) GM

Hello, I am a college student and respite care provider. Redux is more than a gym, it is a way of life and I am lucky to have found it. I am stronger and happier now as the Assistant (to the) General Manager I get to help shape Redux from the inside. (Notice “The Office” reference)