Linda Taix-Paccone, owner and founder of Extreme Boot Camp® and Taix Workout Studio, has been a lifelong fitness enthusiast. She has been certified for more than 20 years with the Aerobic and Fitness Association of America and with the American College of Sports Medicine. She majored in Exercise Science at the University of Southern California and is committed to providing personalized one-on-one fitness training. A certified scuba diver and a skydiver, Linda has also competed in several duathlon and triathlon events. She has been featured on television for health and fitness programs including Body by Jake and Crunch, and has participated in several bodybuilding competitions. Linda has served as the national spokes-model for Tuff Stuff Gym Equipment, Fat Burner Machine, and most recently, The Jet Flex. She has been featured on the front page of the Wall Street Journal and Shape magazine, among other media.



Gary Kasper is an American Council on Exercise Certified Trainer and has been a professional actor and stuntman for over twenty years. He appeared as Jake Fury on the television show Battle Dome, where he used his expertise in wrestling and Judo to compete against athletes from all over the country. Gary also has an extensive background in football as an all-city high school player and a Junior All-American Coach. He also played on the Los Angeles Times football team and competed in Extreme Sports. He enjoys his continued education of the fitness world because there is so much new and exciting information to learn and pass on to clients.



Christina Pirard Keshavarz is a Certified Personal Trainer with the Aerobics and Fitness Association of America. Christina competed at the collegiate level in multiple disciplines of dance including Jazz, Modern, Ballet, and Polynesian. She earned her Bachelor of Science degree in Business from Cal Poly Pomona. After working in the corporate world for many years, she realized her true passion was to help people reach their health and fitness goals. To expand her knowledge of injury rehabilitation, Christina worked as a Physical Therapy Assistant at Verdugo Hills Hospital. Running has become a big part of Christina’s life and she has been competing in many 5k’s, 10k’s, and Half Marathons.



Marcos has always made physical fitness and healthy living a priority in his life. He moved from his native country of Brazil to Los Angeles several years ago. In Brazil, Marcos led an active lifestyle working as a personal trainer, dancer and model. As you can imagine it hasn’t been difficult to maintain that lifestyle here in Southern California. Marcos stays in shape and keeps in touch with the Brazilian community by playing in indoor and outdoor soccer leagues. He is excited to be part of the Extreme Team and is dedicated to helping others reach their fitness goals.


Bob Fitzgerald

Bob has been involved in the heath and fitness industry for over fifty years as an individual and group fitness trainer, public speaker and program developer. He is the recipient of numerous certifications, especially his SFA Certification (Senior Fitness Association of America). He has been on the 3M Advisory Board, the American Lung Association and Fifty Plus (a non-profit organization dedicated to physical activity for older adults). He has been a strength/flexibility trainer and coach for many sports teams, spokesman for the Arthritis Foundation of Los Angeles and ARM (Bronze Advanced Toast Master). More than sixty-five years ago, as a thin sickly youth, Bob Fitzgerald transformed himself to the level of a professional athlete. Bob now combines his years of study and experience with his first-hand knowledge to teach, educate, motivate and inspire others regarding the incredible health benefits and personal power bestowed by his unique approach to resistance exercise.


Ian Adendorff

Ian has been involved in sports since the age of four. He has played and competed in multiple sports which include: swimming, softball and rugby. He represented his home country of South Africa by playing softball at the high school and collegiate levels, however, rugby became Ian’s passion and became a professional rugby player. Unfortunately, his professional career in rugby came to a halt due to a serious knee injury. After having knee surgery, Ian found himself wanting to make an impact on other’s health. Therefore, with his passion for fitness and health, it was an easy decision to begin his career as a certified personal trainer. His desire is to help clients in injury prevention, strengthening and stability and weight loss. Ian has a diploma in Exercise Science from Health & Fitness Professionals Association for Personal Trainer/Conditioning Coach.


David Knox

I have spent 42 years in the professional physical arts, 22 of which were in New York studying dance, performing, and earning two black belts in martial arts along the way. (These came with an intimate and personal education in injury recovery.) Strength, support, flexibility, alignment- the keys to life-long functional health. These are what I believe in, what I describe- in clear detail- in my book, BODY SCHOOL, and how I train myself today.

Bryan Argott


Bryan Argott is in the United States Marines and has 1st class Physical Fitness Test (PFT) and Combat Fitness Test+ (CFT) scores in The Marine Corps Physical Fitness Tests. For this young service man, his running shoes paired with his stamina are the symbols of one of his greatest hobbies: running! He has made running a huge part of his life, participating in over a dozen running events (5K, 10K, half and full marathons) while placing top three in his age category in six events. Bryan believes the best way to conquer your day is by working out in the morning, he feels, that exercising is much more than a routine, but rather, a way of life. This trainer is extremely passionate about helping people set and reach their fitness goals while also aiding them in realizing their full potential.

Christina Irinco


Christina Irinco completed her 200-Hour Yoga Teacher Training with One Down Dog in 2016. She grew up playing/competing in tennis in Southern California and was a walk-on tennis player for USC where she also earned her degree in Business Administration. Her work background ranges from entertainment/non-profit events, finance to graphic design and was drawn to the relaxing and healing properties of yoga seven years ago. She believes yoga is a metaphor for life – how we show up on our mats, move through challenging poses while maintaining grace and ease in the breath. Our mind and body then allows us to be aware and move through challenging situations in our everyday lives with that same integrity.



James was motivated to become a physical therapist after a life changing car accident which required 18 months of serious physical therapy. His personal trainer was exceptionally motivating and made it possible for James to return to athletics. After nine years of studies, James became a sports medicine practitioner specializing in injury prevention. James has practiced in various realms of rehabilitation including; pediatric occupational therapy (primarily autism), pediatric physical therapy (primarily sports injuries), post-op physical therapy, and athletic training. Throughout his studies, James worked at Taix Workout Studio and Extreme Boot Camp® as a personal fitness trainer. After working in various hospitals, clinics and sports teams, James found his work at Taix Workout Studio and Extreme Boot Camp® most rewarding and loves the exciting work environment. He is a Certified Personal Trainer with the Aerobics Fitness Association of America. A former member of the Air Force Auxiliary, training in search and rescue, James has also trained for urban search and rescue confined-space rescue, and wild land rescue. He is currently a high school and college Track and Field Coach with a specialty in pole vault. He has competed in triathlons, marathons, steeplechase, and pole vault.



Jonathan DeTuno is an Advanced Certified Fitness Trainer and Nutrition Consultant with the National Personal Training Institute (NPTI). He has a strong athletic background, particularly in basketball. At Torrey Pines High School, Jonathan received all league honors while also winning a CIF city basketball championship. He was awarded a basketball scholarship to Dominican University of California. After college, Jonathan coached high school basketball at both junior and varsity levels. For the past four years, Jonathan has been working for elite health clubs as an advanced personal trainer, while earning certifications in kickboxing, kettle bell, Vipr, and completed all three levels of Equinox extended education program (EFTI). Jonathan’s ultimate passion is helping others achieve their fitness goals.



Godwin completed his Masters Degree in Applied Health Sciences with concentration in Health and Fitness at the US-Northwest Missouri State and graduated with honors. He is also a qualified Physical Therapist, who has trained elite athletes in major international sporting events including in Beijing for the 2008 Olympic Games, the FIFA Beach Soccer World Cup in Rio de Janeiro, Brazil, among others. He is also a certified
Health and Fitness Specialist of the American College of Sports Medicine and a Corrective Exercise Specialist with the National Academy of Sports Medicine. Godwin is passionate about fitness. He keeps fit by playing soccer and volleyball, as well as working out. He currently plays as a forward for Galacticos FC in the Adult Pasadena League. He was a member of the coaching staff of Maryville High School Soccer team, The Spoof Hounds. Godwin is the contact person for the International Federation of Sports Physical Therapy (IFSPT), Netherlands, and recently attended a joint conference of the IFSPT and the Sports Physical Therapy Session (SPTS) in Las Vegas. Godwin completed Para-Military training during his National Youth Service Corps assignment.


Jake Nelson

Jake has a BS Degree in Physical Education and a MS Degree in Nutritional Consulting from Novus University. His advanced credentials are from both the International Sports Science Association (ISSA) as a Sports Performance Specialist and the National Academy of Sports Medicine (NASM) as a Personal Trainer, Performance Enhancement Specialist and a Corrective Exercise Specialist.


David Gonzalez

David Gonzalez is a National Council on Strength and Fitness Training. He has a strong emphasis in endurance running technique with a detailed breathing rhythm. He took his personal trainer course with Caldwell University and continues to further his education in Kinesiology. He has served over 10 years, and continues to serve, in the U.S. Army and reserves as a Staff Sergeant. Recognized frequently for his leadership in fitness and was awarded the Army Physical Fitness Excellence badge. David has competed in four half marathons with A-B group pacing, a full marathon, and five 8+ mile obstacle races.



Amirah Leonard is a Certified Fitness Trainer with the Aerobics and Fitness Association of America. She has a strong athletic background, particularly in basketball and soccer. At Ventura College, she became the Junior College California State Player of the Year; she later won a full basketball scholarship to Clemson University, where she graduated with a B.A. Degree in Speech and Communications and a minor in Social Science. After college, Amirah played professional basketball in Virum, Denmark. While there, she also coached 14 different high schools. Currently, she coaches the girls’ varsity basketball team at her alma mater, Crescenta Valley High School; she also continues to privately coach at the junior high, high school, and collegiate levels. Amirah was recently one of the longest-running contestants on NBC’s Couples Fear Factor.

Jake Bush


Although born in California, I grew up in Maryland just outside of D.C. I returned to Southern California in 2004 and have been living in Glendale ever since. I am now in my second year at Taix Workout Studio and enjoy working with the variety of clientele we have here; I enjoy being part of this a great community! Additionally, I am a Certified Strength and Conditioning Specialist through the National Strength and Conditioning Association (NSCA-CSCS) as well as Functional Movement Systems (FMS) Level-1. I began my career in training as an Intern Strength Coach with UCLA Athletic Performance department working with Olympic Sport teams such as Baseball, Track & Field, Woman’s Dive, and the Men’s Soccer team who were College Cup finalists during my time there. I have several years of group class experience and have also worked and interned at Bobby Crosby Baseball Academy down in Orange County training youth up to Minor League baseball players. This past fall I also completed my first season as the Strength Coach for South Pasadena High School’s Football program. Outside of work I am in my fourth year of marriage to my wife Jessica and almost through my first year of Graduate School at Western Michigan University where I’m working towards my MA in Coaching Sport Performance. I volunteer annually at the CA Showcase which helps high school senior football players compete for scholarships to D2 and D3 colleges, and have done volunteer work with the LA County Fire Department in assisting with physical testing of new cadets. I extremely enjoy coaching and training which allows me to help others achieve their fitness targets.