Addressing the Spectrum of Human Conflict in K-12 Schools

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The V-School Team

V-School  consists of a team of conflict resolution experts and is a partner of the Vistelar Group, a leading name in conflict resolution training.

Kathy headshotKathy Mangold

The organizing force behind the scenes, Kathy is the one capable of taking great material and moving it to the next level.

For the past two years, Kathy has worked closely with Vistelar partners to both deliver information, and to tailor the information appropriately to each target audience.

This has meant everything from developing academic courseware to setting up social media outlets. It’s meant becoming a certified Verbal Judo trainer and applying that knowledge in various capacities. Kathy plays a critical role in translating the professional concepts of Verbal Judo to make them relevant to families, children and the public in general.

Kathy’s background as an award-winning newspaper reporter, magazine editor and free-lance writer attest to her communications skills, and to her ability to meet deadlines. Indeed, she exhibits grace under pressure while tending to the myriad details involved in overseeing these many projects to completion.

In the past, Kathy has taught as a part-time instructor in the College of Professional Studies at Marquette University. She earned degrees in journalism and German from that institution, and has also spent a number of years working abroad, most notably editing the English edition of a 500-page book commemorating the 125-year anniversary of Bayer chemical company.


Bill SingletonBill Singleton

Named one of the Business Journal of Milwaukee’s Top 40 Under 40, Bill works with youth as a community services officer for the Milwaukee Police Department. He is a member of the MPD team that created and developed the international award winning Students Talking it Over with Police (STOP) Program, an evidence-based program aimed at cultivating sustainable positive relationships by decreasing initial volatile interactions.

Bill has been a member of two of Medical College of Wisconsin’s Violence Prevention Initiatives teams. He holds a Master’s Degree in Dispute Resolution from Marquette University. He is an advisor to Verbal Defense & Influence, a member of the Vistelar Group.


Chan Lee

Chan Lee

A rising star within the martial arts industry, academy owner Chan Lee trains 1,500 students in the metro Milwaukee area and has carved a national niche for his ability to work with youth on anti-bullying strategies and confidence-building skills. He was seen as a celebrity coach on the MTV show, MADE.






Lashley headshot

Joel Lashley

Joel Lashley has trained nursing, clinical, social work, psychiatric, education, law enforcement and other professionals in the management of clients in crisis. He also co-developed a program for managing the challenging behaviors of those with autism and other cognitive disabilities for police officers, corrections officers and health care providers.





DaveYoung (1)Dave Young

Dave is recognized as one of the nation’s leading personal safety and tactical-defense instructors. In his training programs, Dave combines a unique blend of physical expertise, teaching know-how and a hands-on approach. He his known for using anatomically correct techniques and gross-motor skill responses, which dramatically reduces learning time.

In recent years Dave has taken his background and expertise and applied it to developing programs for the general public — including parents, students, educators, martial artists and executives. These programs focus on personal safety awareness and how to respond when things go bad. Dave helped form the Vistelar Group in 2009 and Your Family Defense in 2010.


WeisenselJill Weisensel

Jill has developed bystander intervention programming for bullying and sexual violence prevention, with a particular focus on threat assessment and bystander mobilization.

Jill is a consultant/instructor for Verbal Defense and Influence. Additionally, she directs and manages shift patrol operations within an urban campus environment. She has a Master’s degree in Kinesiology with an emphasis in Sports Psychology from the University of Wisconsin- Milwaukee, and her Bachelor’s degree in Criminal Justice and Sociology from Carthage College.



H Dolan pic

Harry Dolan

As one of the nation’s most experienced police chiefs, he led the force in Raleigh, North Carolina, the nation’s 44th largest city (prior to his retirement in 2012). He has also served in Lumberton, N.C. and Grand Rapids, Mich.

Chief Dolan is known nationally in the fields of leadership, personnel management and community policing. Chief Dolan is an enthusiastic presenter who is known for his sense of humor and unique ability to inspire leaders to strive for service excellence.



Danielle Shryock

Danielle Shryock is a science and language arts educator at Wisconsin Hills Middle School in Brookfield, Wisconsin. A skilled communicator, she has presented professional development programs, including Verbal Defense & Influence strategies, to educators. She earned her Master’s degree from Carroll University in 2011.




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