Sean Will
Sean Will
Co-founder & CEO

Sean studied under Dr. Jesús Rosales-Ruiz and earned a master's degree in Behavior Analysis from the University of North Texas. While studying at UNT, he spearheaded the development of Constructional Affection under the instruction of Dr. Rosales-Ruiz and developed constructional shelter programs to increase efficiency in local animal shelters. Sean has over 15 years of experience as a professional trainer and has provided consulting for individuals and organizations that oversee the care of animals. Currently, Sean is in Florida Tech's doctoral program researching problem-solving and animal training.

In 2020, Sean and Maasa founded the Constructional Approach to Animal Welfare and Training (CAAWT). CAAWT is a non-profit organization whose mission is to enhance the lives of animals and the people who care for them by providing educational content on animal behavior, care, and ways to solve behavioral problems. Sean and Maasa have a monthly podcast and host an annual conference by the same name.

To contact Sean, click the icon below.
Maasa Nishimuta.png
Maasa Nishimuta
Co-founder & COO

Maasa Nishimuta studied under Dr. Jesús Rosales-Ruiz and earned a master's degree in Behavior Analysis from the University of North Texas. In her master's thesis, she studied the reinforcing effects of affection in the form of petting and gentle scratching with rescued equines. She modified Constructional Affection for use with equines and continues to apply Constructional Affection with animals in shelters where she volunteers.

In 2020, Maasa and Sean founded Constructional Approach to Animal Welfare and Training (CAAWT), whose mission is to provide educational content on animal behavior, care, and ways to solve behavioral problems. With Sean, she produces a monthly podcast, runs online private and group classes, and hosts webinars and annual conferences to continue to improve relationships between people and the animals in their care.

To contact Maasa, click the icon below.