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Board of Directors

Dianna Stearns, President

Dianna owns Waggin’s West Dog Training and Behavior Consulting, LLC in Northglenn, Colorado. Waggin’s West believes that the growing sport of Treibball provides dog owners a great opportunity to communicate and play with their dogs, and developed the original clicker training curriculum to be licensed exclusively for use by the American Treibball Association.

A professional dog trainer for 9 years, Dianna holds national certifications from the Certification Council for Professional Dog Trainers (CPDT-KA) and from the International Association of Animal Behavior Consultants (CDBC), for which she was a founding member. Dianna also is the first Certified American Treibball Trainer (CATT) and has been a judge at national Treibball competitions. Additionally, she is a member of the Association of Professional Dog Trainers and the Pet Professional Guild. Dianna is also a mentor for students of the Animal Behavior College. She serves as a trainer and behavior consultant to three breed rescue organizations.

Dianna is also the author of the first definitive book about the sport, published by Dogwise: Get the Ball Rolling~A Step By Step Guide To Training for Treibball. She lives with her dogs Blondie, Fin, and Gemma.

Dianna heads up the Membership/Marketing Committee for the American Treibball Association.


Mary Manka, Vice President

Mary has 28 years of working with the City of Boulder, Colorado before becoming a dog trainer and ACE SONY DSCpersonal trainer certificate. Her business, Push Ups n’ Paws in Brighton, Colorado, combines fitness for humans and obedience training for canines.  Mary has been on the board of several organizations, boards and trains horses, and volunteers for animal therapy rescue groups through social media and other local avenues. With her fitness experience, it was a natural for Mary to gravitate towards Treibball.

Mary is the second Certified American Treibball Trainer (CATT) and serves as a trainer for the American Treibball Association Trainers’ Academy. She has also been a judge for national Treibball competitions.

Mary lives with her husband and dogs Aeden and Winston–the American Treibball Association mascot.

Mary heads up the American Treibball Association’s Competition Committee.


Hilary Lane, Secretary/Treasurer

me&lunacoverHilary owns Fang Shui Canines, a canine training and coaching business in Louisville, Colorado, that helps people and their dogs live harmoniously. She is a Certified American Treibball Trainer (CATT) and trains the sport at local facilities, serves as a trainer for the American Treibball Association Trainers’ Academy and has judged national Treibball competitions. She is also an AKC Canine Good Citizen and S.T.A.R Puppy Evaluator.

Hilary has volunteered with Humane Society Boulder Valley in various training programs to help make dogs more adoptable, puppy socialization classes, and other training events. Hilary co-founded Rocky Mountain Border Collie Rescue, where she trained rescues to be more adoptable. Currently, she evaluates potential canine candidates for a the Search Dog Foundation, and writes articles for pet publications, including Cornell and Tufts veterinary newsletters. Hilary is also a member of the Association of Professional Dog Trainers, International Association of Animal Behavior Consultants, and the Pet Professional Guild.

Hilary has competed in Treibball trials with her Border Collie Luna. She also heads up the Technology Committee for the American Treibball Association.


Aaron Israels, Attorney of Record

Aaron Israels is an attorney, licensed to practice law in Colorado, Michigan, and Illinois. His main office is located inAaron-Israels-final-0022-1024x262 Central Denver. He sits on the board of directors for several for-profit and non-profit business entities and we are thrilled that he is on the ATA board.

Aaron Israels, P.C.
4155 E. Jewell Ave., Ste. 502
Denver, Colorado 80222

(720) 599-3505


Donna Dolezal

donnadozDonna lives in the foothills of Loveland Colorado with her family on 50 acres with lots of wildlife. She studied Physiology, Animal Behavior and Computer Science in college and had a career as a Software Engineer and Veterinary Technician. She has a passion for training and connecting with animals and enjoys learning new things with them.

Donna loves all animals but has a deep place in her heart for Rottweilers (having had them in her life for 35 years) as well as horses. Donna is very active with sports, bird watching and photography. Her dogs are accomplished in a variety of areas including obedience, rally, herding, tracking, barn hunt, nose work, carting/drafting, agility, therapy dog work, water sports and Treibball.

Donna is on the Competition Committee.

Lisa Holt

Lisa Holt runs San Juan Island Dog Training, in Friday Harbor, Washington, a small island nestled between lisaWashington and British Columbia. She believes that the human-canine connection transforms through training, canine sports and activities, and when it comes to seeing these dogs change into confident, purposeful, enthusiastic members of a human-canine team, she is absolutely hooked.

Lisa is a certified Mentor Trainer through the Animal Behavior College as a Trainer and Mentor, is Certified American Treibball Trainer (CATT), a Certified K9 Nose Work® Instructor with an NW1 title, a competitor and instructor for the North American Dog Agility Council (NADAC), an AKC Canine Good Citizen Evaluator, and a 4-H Leader for local youth canine club

At San Juan Island Dog Training, Lisa teaches classes in agility, Flyball, Treibball, Freestyle, and K9 Nose Work, along with also teach Puppy Einstein, Basic Manners, Fast Combo Cue Work, Focus Off-Leash and CGC Prep, in addition to private session work for reactive dog training.

She has competed and won titles in the American Treibball Association’s Sanctioned Competitions with her dog Ready.

Lisa is on the Competition and Technology Committees.

Karen Mielke

Karen MielkeKaren is a co-owner and trainer at DogLogic Training near Statesville, North Carolina. She is a Karen Pryor Certified Training Partner  (KPA) and a Certified American Treibball Trainer (CATT) and judge.

Karen has written and instructed training courses for online sports academies. She gives seminars around the U.S. on varied training topics, and has presented a foundation sports workshop in England. She has also produced two training  DVDs, one of which illustrates a seminar on getting started with Beginner Treibball.

Karen has three dogs of her own, ATA Treibball Champion, Cheyenne, a German Shepherd; ATA Treibball Champion 3-year-old Luna, an Australian Shepherd; and True, a CKCS, who also plays the game for fun.

Karen is on the Competition and Marketing Committees.

Melissa Wallace

Melissa lives in North Pole, Alaska just two miles from Santa’s house. She has been training dogs for 10 years and trains her ownMelissa Wallace Chihuahuas in agility, teacup agility, treibball, tracking, rally, obedience, nosework, and tricks. Melissa is a frequent competitor in several of these sports in multiple venues and even travels to the Lower 48 to compete.

She enjoys working with all ages of handlers and all types of dogs. She teaches a variety of classes for the competitor and non-competitor. Melissa has been a member of several performance dog clubs and served on the Board of Directors for the Great Salt Lake Dog Training Club in Utah as the Co-Director of Training. She is a Certified Teacup Dog Agility Association (TDAA) Judge, Certified American Treibball Trainer (CATT) and judge, and a Certified Trick Dog Instructor (CTDI). She is a professional member of The Association of Pet Dog Trainers (APDT) and the American Treibball Association as well as a member of TDAA. She is currently working on her CPDT-KA. She brings her extensive experience as a judge, board member, and ongoing continuing education to all of her classes. Melissa is not a full time trainer; in her other life, Melissa is a nurse with over 20 years of experience from direct patient care to senior leadership. She has several degrees and certifications in her field.

Melissa is on the Competition Committee.


Lisa Wisdom

Lisa & LibertyLisa Wisdom, ABCDT, CATT has been teaching dogs and people since 2005. She is an Animal Behavior College graduate. She is currently working on her CPDT-KA certification. Lisa began her career as a 4-H club leader and enjoyed those years. 

Lisa is the head trainer at Doggy Business LLC in Portland Oregon. She teaches private lessons, group classes such as Basic Manners, Recall Clinic, Loose Leash Walking, Mix It Up and Treibball. 

Lisa has titled her Lab mix, Liberty in Obedience. She continues training for competition with Liberty and Pippin her Sheltie. They enjoy working in Obedience, Rally, Dock Dogs and Treibball.