Cori Ann Lentz

Founder, President & CEO
Fitness Coach & Instructor • Motivational Speaker • Seminar Presenter • Author • Personal Trainer • Nutritionist

"Empowering every woman to lead an INCREDIBLE LIFE!"

Book Cori Ann Lentz, Fitness and Lifestyle Expert, for your next live or virtual event!

Favorite exercise(s):  Bad Kitty Sassy Fitness™ Classes, The Sports Barre®, Deadlifts, Squats, Stairs, Jump Rope, Sprints, Pull Ups and Single Leg Balance Work
Least favorite exercises:  Cardio in the gym!  Running on a treadmill is SO boring!
Favorite healthy food:  Caprese salad
Favorite cheat food:  Dark chocolate covered caramel sprinkled with gray Mediterranean salt. Mmmm.
Greatest Fitness Accomplishment:  Giving birth naturally, running the Mayor’s Midnight Sun Marathon in Alaska, and several triathlons.
Biggest fitness roadblocks:  Making time for my family, my work, and my own fitness.  Although, through balancing each of these, I have learned how to create more efficient, effective, and creative exercises for you and me!
Words to live by:  "Motivation is what gets you started. Habit is what keeps you going." ~ Jim Ryun

  • National Academy of Sports Medicine (NASM) Certified Personal Trainer
  • American Council on Exercise (ACE) Certified Personal Trainer
  • Aerobics and Fitness Association of America (AFAA) Certified Personal Trainer
  • AFAA Specialty Certificate in Stretching to Prevent IT Band Syndrome
  • NASM Specialty Certificate in Optimum Performance Training for Youth
  • NASM Specialty Certificate in Advanced Program Design and Human Movement
  • ACE Specialty Certificate in Exercise for Special Populations
  • APEX Specialty Certificate in Performance Nutrition, Advanced Dietary Support, and Health Topics in Nutrition
  • Schwinn Specialty Certificate as a Cycling Instructor
  • Creator and Master Trainer of Bad Kitty Sassy Fitness™
  • Creator of The Sports Barre®
  • Master Trainer in the Bender Method of Training
  • Master Trainer in Urban Strip Tease Aerobics
  • Specialty Certificate in Pilates Matwork with Apparatus
  • Soroptomist "She’s All That" Presenter and Conference Speaker on Nutrition & Exercise
  • NCL (National Charity League) Guest Speaker on Nutrition & Exercise
  • Bright Side of Life Motivational Speaker and Presenter
  • CPR, First Aid, and AED Certified through American Heart Association
  • Marathoner & Triathlete

Cori Ann has over 14 years in the health and fitness industry as personal trainer, fitness manager, group exercise instructor, seminar presenter, coach, and author.  She possesses nationally accredited personal training certifications from the National Academy of Sports Medicine (NASM), the American Council on Exercise (ACE), and the Aerobics and Fitness Association of America (AFAA).  She also has additional specialty certificates in Optimum Performance Training for Youth (NASM), Advanced Program Design and Human Movement (NASM), Exercise for Special Populations (ACE), Stretching to Prevent IT Band Syndrome (AFAA), Pilates Matwork (ACE & AFAA), Performance Nutrition, Advanced Dietary Support, Health Topics in Nutrition, Nutrition Myths and Fad Diets, and Breaking Body Composition Plateaus. 

Cori Ann is the president, founder & CEO of San Ramon Valley Fitness, Inc.  She is the creator of Bad Kitty Sassy Fitness™, an extremely high energy cardiovascular workout that fuses the basic moves of dance, exhilarating aerobic movements and body sculpting elements to create a fun, edgy, sexy, and effective workout.  She is also the creator of The Sports Barre®, an athletic approach to barre fitness.  She is a co-author of the inspirational book, INCREDIBLE LIFE! In the past, she has been the creator of the Youth Speed Agility and Quickness Program for the town of Danville and Sycamore Valley Elementary School.

She has been a master instructor in the Bender Method™ of Training and in Urban Strip Tease™ Aerobics.  During her career, she found a passion for teaching group fitness in addition to competing in triathlons and marathons.  She currently is also an instructor for the Schwinn® Indoor Cycling.  Her core competency and passion is working with groups and individuals to improve their overall physical fitness and self esteem.

She enjoys being an active part of the community and has served as a committee member for the Acalanes School District Comprehensive Health Program in addition to being an independent health instructor for the town of Danville and the San Ramon Valley Unified School District.  She has also been a guest speaker on Nutrition & Exercise for Soroptomist International, the National Charity League, The Bright Side of Life Life Inspirational Gathering Network, and several schools in the Danville area.  She is currently a member of the National Charity League, and the eWomen Business Network.

Cori Ann divides her time between heading up exercise programs, instructing group exercise classes, and caring for wonderful husband, family of 3 children (and 2 dogs)!  She believes that learning to exercise properly provides the body with a relationship to the mind, allowing for a lifetime of a health and fitness.  According to Cori Ann, "Being in a luxurious and private environment is one of the best things about San Ramon Valley Fitness! It is a wonderful opportunity to nourish and satisfy the cravings of your body, mind, and soul."


Bad Kitty Sassy Fitness™ Instructors
Rank City State
Cori Ann Lentz Diamond (Creator) Danville CA
Paula Bennett Pass Sherman TX
Jennifer W. Brown Pass Escondido CA
Girstin Bergquist Pass San Pedro CA
Milli Bruce Pass Walnut Creek CA
Kelly Estes In Training Danville CA
Anna-Liza Estoesta Inactive San Ramon CA
Nancy Garcia-Rashkow Diamond Bangor PA
Renee Font In Training Burtonsville PA
Magan Graff Pass Mertztown PA
Bonnie Foster Pass Warrenton VA
Cherie Harrison In Training Walnut Creek CA
Robin Horsley Pass Dallas TX
Jan Kain Pass San Pedro CA
Alli Kennedy Inactive Walnut Creek CA
Mandy Kutish Pass Harrisburg PA
Theresa Lotz In Training Pleasanton CA
Katrin Macias Inactive Castro Valley CA
Paige McCoy Pass Sherman TX
Carla McDaniel Pass Sherman TX
Tiphanie McNiff Inactive Walnut Creek CA
Constance MickIn TrainingFort WorthTX
Tonia Moore In Training Lakewood CA
Renee Mullendore Inactive Pleasanton CA
Martha Perez In Training Torrance CA
Patricia Picker Pass Torrance CA
Courtney Newlin Inactive Alamo CA
Sarah Pierce Pass Sherman TX
Ina Siegel In Training Breinigsville PA
Alina Spatariu Diamond Torrance CA
Katie Slater In Training Danville CA
Mandy Voecks Inactive Pleasanton CA
Raquel "Rocky" Valencia Diamond Paramount CA
Laurie Williams Inactive Livermore CA



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