Jill Danielle Goodwin is passionate about fitness and especially about group exercise. She has been in the fitness industry for over 25 year. She has certificaitons from some of the top fitness organizations including ACE and AFAA.  She has appeared in numerous fitness infomercials, Starred in FIT TV and Fox Sports West “BodyWaves”, ESPN’s Morning Fitness Shows, videos and more. She is a published author for multiple fitness publications including JUMP, TEEN and SEVENTEEN. She has a strong dance background as a national dance competitor. Jill holds a BA from the University of California, Irvine. She has been honored as Instructor of the Year on two occasions for Sports Club LA/OC. She was known throughout the fitness industry as the "petite powerhouse" and she brings her expertise and many years of training and teaching to every class. She excels in body sculpting, Step, Choreography based workouts, Strong, Core, Cardio dance and more.

She is the managing partner of Studio Fixx.


 Shirley Rubin                                                                                                                                                                                                                       

Professional Trainer, Coach and Instructor
Shirley is a personal Trainer, received her B.S. in Foods and Nutrition, and Criminal Justice.  Shirley grew up in Israel and has lived in the Southern California since 1999. She has dedicated the past 15 years of her life to fitness with passion, and energy. Her goal is to reach out to as many people as possible, so they can lead a healthier, happier and more energetic life. She is certified by AFAA, CrossFit, Powder Blue Production, Healthcare Dimensions, and more, as a group instructor, Fitness Coach and a personal trainer. She teaches Cardio kickboxing, dance, Mat Pilates, body sculpting, Jillian Michael’s “Body Shred” and senior fitness. She has also performed in a few aerobics and Turbo Kick videos. In 2004 she received an award for being the Best Instructor at Total Woman Gym and Spa. Shirley enjoys teaching and inspiring people to be healthy and fit. She loves the great feeling of accomplishing a fun and energizing workout. Shirley will put a smile on your face! And get your booty in shape! J                                                                                                    

Emily Loftiss, After graduating from the University of Alabama (Roll Tide) she moved straight to New York City to try her hand at being a dancer. For 8 years she worked non-stop as a professional in the industry. A few of her credits include Radio City Rockette, Broadway National Tour of Dirty Rotten Scoundrels, Broadway workshops of Josephine, Leap of Faith and many regional shows across the US. On television she has danced on every major station from VHI, MTV, CMT, NBC, ABC, from David Letterman to National Commercials. She has worked with brands like DKNY, Ferrari, Lexus, Nexxus, Mattel, Lucille Roberts, ERIOS Vodka, Hard Rock, Bowlmor Bowling and Knockout Abs Informercials. Also she won National choreography awards, pageant winners have performed her rountines on national tv and choreographed for Ralph Lauren's campaign and Lisa Lamepalli at Radio City Music Hall. Emily has taught dance and fitness for over 17 years and is well versed in all types of dance, barre, spin, weight lighting and boot camp. Emily is thrilled to be apart of the Studio Fixx Family.

Allison Nasser is an OC native, USC grad, and Zumba fitness enthusiast. She grew up taking/competing in dance (tap, jazz, ballet, hip hop) and has loved it her whole life. She discovered Zumba fitness while whipping her body into better shape for her wedding and was astounded at the amount of fun she had even though the workout is fierce!  She is so ecstatic to have dance in her life again and would love to spark that passion in you!

She became a certified Zumba instructor to inspire others and prove it is possible to have fun while getting an exceptional workout! Zumba class is like an upbeat dance party with your friends yet accessible to you daily! And, rest assured, no formal dance experience is necessary to be successful! Whatever your goals (lose weight, tone muscle, maintain a healthy lifestyle, improve cardiovascular endurance, be more social, decrease stress, or just to let loose for an hour :)), she guarantees her Zumba class will help you achieve them!

16872 Hale Ave. Irvine, CA 92606

16872 Hale Ave. Irvine, CA 92606

John Manacmul is  a 200-hour vinyasa flow yoga teacher, obtaining his certification through CorePower Yoga. John dedicates his time to providing students an unparalleled experience characterized by fun and intense, high-energy yoga classes with an emphasis on alignment. Through his infectious passion and unbridled enthusiasm, John strives to ensure students leave class feeling stronger, healthier and more balanced, both inside and out. A practitioner of Iyengar yoga, he is currently undergoing an intensive Iyengar method teacher training with Megan Bello.

Keely Brown - Bio coming soon

Sean Goodwin has been in the fitness industry for over 25 years. He has been certified through NASM and NCCPT as well as being a wrestling coach (bringing his students to State), top personal trainer and boot camp instructor. He was the top contestant on American Gladiators, has appeared in numerous fitness infommercials and fitness magazines. Sean is also the founder of Fitness Super Pass. He brings some intense workouts to Studio Fixx - come try his Tabata Class.