Vaughn's Dojang Instructors



At Vaughn's Dojang, we are very proud to be able to offer students an impressive group of talented, experienced, and dedicated instructors. All instructors are internationally certified by the World Tang Soo Do Association (WTSDA) and are required to undergo criminal background checks. Profiles of our instructors are provided below.


Master Frank Altiere

Master Altiere

Oh Dan (5th Degree) Master, Tang Soo Do
Sah Dan (4th Degree), Sin Moo Hapkido
Training at Vaughn's Dojang since 1991


Master Altiere attained the rank of International Master Instructor in the WTSDA in 2015. His masters training includes attendance at Masters Camp—an annual gathering of Grandmasters Robert E. Beaudoin and William Strong, WTSDA masters, and master candidates from around the world. Master Altiere is the Chief Instructor for the Cho Dan Bo Class at the Audubon Dojang. Prior to training in Tang Soo Do, he studied Isshinryu Karate. Master Altiere has been an active member of the Hapkido program at Vaughn's Dojang since its inception. He is the dojang historian, Chair of the Dragon's Den Newsletter Committee, member of the Executive Committee, and the coordinator of numerous special projects. Annually, Master Altiere organizes the Dojang Spring Cleaning and a collection for the Bethesda Project—a charitable organization dedicated to helping the homeless of Philadelphia. He is an active participant in the World Ki Gong Club. He is a WTSDA-certified International Judge, a member of the WTSDA Region 8 Scholarship committee and the Instructors Class, and an instructor at the annual Region 8 Black Belt Camp. Master Altiere is a graduate of Edinboro University and has earned post-graduate designations as a Chartered Property Casualty Underwriter (CPCU), Associate in Risk Management (ARM), Associate in Commercial Underwriting (AU), Associate in Insurance Services (AIS), and Risk and Insurance Management Society's RIMS Fellow (RF). He is the President of PMA Management Corporation. Master Altiere is married, has three children, and he is the proud grandfather of Ben and Rosalie.

Master Sandy Lipstein

Master Lipstein

Oh Dan (5th Degree) Master, Tang Soo Do
Chil Dan (7th Degree), Sin Moo Hapkido
Training at Vaughn's Dojang since 1991


Master Lipstein attained the rank of International Master Instructor in the WTSDA in 2010. He was promoted to 5th Degree Master in 2018. His masters training includes annual attendance at Masters Camp—an international gathering of Grandmasters Robert E. Beaudoin and William Strong, WTSDA masters, and master candidates. At Vaughn's Dojang, Master Lipstein is a member of the Executive Committee and the Testing Committee, the Chair of the Special Events Committee, and was co-coordinator for Vaughn's Winter Championship. Previously he taught an advanced gup class and was the Chief Instructor at the Phoenixville YMCA. Master Lipstein has been an active member of the Hapkido program at Vaughn's Dojang since its inception. He introduced a weekly Sin Moo Hapkido program at Vaughn's Dojang once he obtained his Cho Dan in Hapkido from Do Ju Nim, Ji Han Jae. Hapkido classes are held twice a week and the program has produced several Black Belts since its inception. Master Lipstein serves as treasurer of the WTSDA as well as the World Tang Soo Do Foundation (WTSDF), and is a member of the Building Fund Committee. He is the leader of the Ki Gong Club at Vaughn's Dojang and was formerly the East Coast coordinator for the World Ki Gong Club. Master Lipstein is a WTSDA-certified International Judge, a member of the WTSDA Region 8 Instructors Class, and an instructor at the annual Region 8 Black Belt Camp. He is a member of the board of directors of several non-profit organizations, including Chester County Hospital and the Freedoms Foundation at Valley Forge. Master Lipstein is a graduate of the University of Pennsylvania's Wharton School and, prior to retirement, was the Chief Financial Officer for Comcast-Spectacor for over 20 years. He is married and has three children.

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Master Wayne Rosenkrans

Master Rosenkrans

Sah Dan (4th Degree) Master, Tang Soo Do
E Dan (2nd Degree), Sin Moo Hapkido
Training at Vaughn's Dojang since 1992


Dr. Rosenkrans attained the rank of International Master Instructor in the WTSDA in 2018. His masters training includes attendance at Masters Camp—an annual gathering of Grandmasters Robert E. Beaudoin and William Strong, WTSDA masters, and master candidates from around the world. Dr. Rosenkrans is the Chief Instructor for the 7:00 PM Tuesday & Thursday class at the Audubon Dojang, Chief Instructor for the All Stars group at the studio, and, with Mrs. Jenifer Mudd, is one of the current coaches for the Vaughn's Dojang Creativity Demo Team. Previously, he taught the Cho Dan Bo class, a specialty class in sparring, and was also co-instructor with Master Lipstein at the Phoenixville YMCA prior to the advent of the Audubon studio. He is currently the Committee Chair of the long-range strategy project for the Association called WTSD50, a member of the WTSDA Thesis Committee, and is a WTSDA-certified International Judge and a member of the WTSDA Region 8 Instructors Class. At Vaughn's Dojang, Dr. Rosenkrans is a member of the Executive Committee, the Testing Committee, and is responsible for student contracts and the collection and analysis of all student data used in studio planning. He developed the current Cho Dan Bo (Black Belt candidate) testing process used at Vaughn's Dojang and, prior to a stroke in 2012, trained for many years in the Hapkido program at the studio. Dr. Rosenkrans is a graduate of the Massachusetts Institute of Technology (MIT), has a PhD in Cell and Molecular Biology from Boston University, and post-doctoral training in cancer and radiation biology at the University of Rochester. He is currently a member of the Health Futures Group at the National Defense University, a Senior Partner at Longview Analytics, Senior Fellow at the Thought Leadership & Innovation Foundation, Senior Fellow at the Institute of Alternative Futures, and ex-officio Chairman of the Personalized Medicine Coalition. Previously, Dr. Rosenkrans worked for some of the world's largest pharmaceutical companies for almost 30 years. He is married and has two children: Chris who is an entrepreneur living in Nairobi, Kenya and is an E Dan in the WTSDA; and Lisa who is a veterinarian in Massachusetts.

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Master David Painter

Master Painter

Sah Dan (4th Degree) Master, Tang Soo Do
E Dan (2nd Degree), Sin Moo Hapkido
Training at Vaughn's Dojang since 1994


Dr. Painter attained the rank of International Master Instructor in the WTSDA in 2018. His masters training includes annual attendance at Masters Camp—an international gathering of Grandmasters Robert E. Beaudoin and William Strong, WTSDA masters, and master candidates. Dr. Painter is the Chief Instructor at the Phoenixville YMCA. Until May 2009, Dr. Painter was the Chief Instructor for the Special Dragons program at Vaughn's Dojang where he was able to use his background in psychology to help develop the curriculum for this unique martial arts program for persons with special needs. Dr. Painter is a member of Vaughn's Dojang Executive Committee and has held the position of Leadership Club President. He has trained for many years in the Hapkido program at Vaughn's Dojang. Dr. Painter is a WTSDA-certified International Judge, a member of the WTSDA Publications Committee, the WTSD50 Strategic Planning Committee, and a member of the WTSDA Region 8 Scholarship Committee and the Instructors Class. He is a licensed and school-certified psychologist in Pennsylvania and has held leadership positions in the Pennsylvania Psychological Association. Dr. Painter earned his Bachelor of Science in Psychology from Penn State University, a Master's Degree and PhD in School Psychology from the University of Pittsburgh, and is a magna cum laude graduate of Widener University School of Law. He recently retired as an attorney and special counsel with the law firm of Sweet, Stevens, Katz and Williams in New Britain, Pennsylvania where he represented Pennsylvania school districts. Dr. Painter is married and has two children. His son Josh is a Sam Dan and his daughter Rachel is a Cho Dan in the WTSDA.

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Master Kristen Winsko

Master Winsko

Sah Dan (4th Degree) Master, Tang Soo Do
E Dan (2nd Degree), Sin Moo Hapkido
Training at Vaughn's Dojang since 1998


Master Winsko attained the rank of International Master Instructor in the WTSDA in 2016. Her masters training includes attendance at Masters Camp—an annual gathering of Grandmasters Robert E. Beaudoin and William Strong, WTSDA masters, and master candidates from around the world. She previously taught the 7:00 PM Monday & Wednesday class at the Audubon Dojang. She was an assistant instructor in various classes from 2001 through 2005. Master Winsko is the current Vaughn's Leadership Club President and Secretary, is Chair of the Vaughn's Charitable Activities Committee, and is a member of the Executive Committee. She is Master Vaughn's personal secretary and the Blood Drive coordinator. Master Winsko also trained for many years in the Hapkido program at Vaughn's Dojang. She has also led numerous Women's Self-Defense clinics. In addition, Master Winsko is General Counsel to the WTSDA and the WTSDF and is a member of the Board of Directors for both organizations, as well as a member of the Building Committee. She is a WTSDA-certified International Judge and a member of the WTSDA Region 8 Instructors Class. Master Winsko was the recipient of the Region 8 Student of the Year award in 2011 and WTSDA (International) Student of the Year in 2012. She was also the Women's Senior Dan Grand Champion at the 2011 Region 8 Eastern Championship. Master Winsko is a graduate of Villanova University and a magna cum laude graduate of Widener University School of Law. She is a Senior Vice President and General Counsel with Boenning & Scattergood. Master Winsko is married and has one child.

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Mr. Scott Summers

Mr. Summers

Sah Dan (4th Degree), Tang Soo Do
Training at Vaughn's Dojang since 1999


Mr. Summers is the Chief Instructor for the very successful Tiny Tigers/Little Dragons (TTLD) program at the Audubon Dojang—a program that he has led for more than 15 years. He is responsible for assisting with computer issues at the dojang. Mr. Summers' interests in the martial arts extend to working with knives and swords, and he has attended a WTSDA Silk and Steel seminar (specialized training in edged and flexible weapons). He also trains in the Hapkido program at Vaughn's Dojang. Mr. Summers is the WTSDA Region 8 Scholarship Coordinator. Region 8 currently awards $12,000 in college scholarships annually to members of the region. He also helps to publish the program booklet for the WTSDA World Championship, is a member of the WTSDA Region 8 Leadership Group, and is a WTSDA-certified Regional Judge. Mr. Summers has a Bachelor of Science in Computer Science from Millersville University and is currently employed at Unisys Corporation as a Senior System Design Engineer. Mr. Summers trains with his son Matt, who is a Sam Dan in the WTSDA.

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Mr. Rick Mentley

Mr. Mentley

Sam Dan (3rd Degree), Tang Soo Do
E Dan (2nd Degree), Sin Moo Hapkido
Training at Vaughn's Dojang since 2000


Mr. Mentley is the Chief Instructor for the 6:00 PM Monday & Wednesday class at the Audubon Dojang. He taught the 7:00 PM Tuesday & Thursday class at the Audubon Dojang with his wife, Mrs. Lisa Mentley from 2004 through 2010. Mr. Mentley served as an assistant instructor for the 6:00 PM Monday & Wednesday class from 2001 through 2004. He is the webmaster for the Vaughn's Dojang website and assists with the editing and production of the Dragon's Den newsletter. Mr. Mentley is an active member of the Hapkido program at Vaughn's Dojang. He has attended a WTSDA Silk and Steel seminar (specialized training in edged and flexible weapons). Mr. Mentley is a member of the WTSDA Region 8 Newsletter Committee as well as the Leadership Group and has been Treasurer of the group since 2017. He has competed and placed in numerous WTSDA tournaments at the local, regional, and world levels, and is a WTSDA-certified Regional Judge. Mr. Mentley has also been a member of the WTSDA security team at regional events. He has a Bachelor of Science in Microbiology from Penn State University and an MBA from Villanova University. Mr. Mentley is currently retired. Previously, he was a consultant specializing in regulatory submissions and project management in the biomedical industry. Mr. & Mrs. Mentley's son Ryan is an E Dan and their son Brandon is a Sam Dan in the WTSDA.

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Mrs. Lisa Mentley

Mrs. Mentley

Sam Dan (3rd Degree), Tang Soo Do
Training at Vaughn's Dojang since 2000


Mrs. Mentley is a Chief Instructor who instructed the 7:00 PM Tuesday & Thursday class at the Audubon Dojang with her husband, Mr. Rick Mentley from 2004 through 2010. Previously, she was an instructor at the Audubon YMCA for an all-levels class and a Tiny Tigers/Little Dragons class. Mrs. Mentley has been the Dragon's Den newsletter publisher since 2004. She has assisted at numerous local, regional, and world WTSDA events, and is a WTSDA-certified Corner Judge. Mrs. Mentley is a summa cum laude graduate of Penn State University with a Bachelor of Science in Finance and Bachelor of Arts in Economics; she also has an MBA from Villanova University. She is currently enjoying retirement and was previously a financial analysis manager for a large multinational corporation. Mrs. Mentley enjoys training in Tang Soo Do with her husband Rick; their sons are both Black Belts in the WTSDA.

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Dr. Scott Thompson

Dr. Thompson

Sam Dan (3rd Degree), Tang Soo Do
Sah Dan (4th Degree), Sin Moo Hapkido
Training at Vaughn's Dojang since 2004


Dr. Thompson is the former Chief Instructor for the 7:00 PM Tuesday & Thursday class at the Audubon Dojang along with his wife, Mrs. Susan Thompson from 2010 through 2014. Previously, he instructed the 6:00 PM Monday & Wednesday class with Mr. Ray Salas and instructed the Saturday morning all-levels class with Mrs. Thompson at the Audubon Dojang. Dr. Thompson is also the former coach for the Vaughn's Dojang Creativity Demo Team. He has been an active member of the Hapkido program at Vaughn's Dojang since its inception. He is a member of the WTSDA Region 8 Newsletter Committee as well as the Leadership Group; he is also a WTSDA-certified Corner Judge. Dr. Thompson has a PhD in Chemistry from the University of California, Berkeley, and is currently Senior Director, Pharmaceutical Development at Asana BioSciences. His wife, son, and daughter are also Black Belts in the WTSDA.

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Mrs. Jenifer Mudd

Mrs. Mudd

Sam Dan (3rd Degree), Tang Soo Do
Training at Vaughn's Dojang since 2005


Mrs. Mudd is the Chief Instructor for the 6:00 PM Tuesday & Thursday class at the Audubon Dojang. She formerly instructed at the Phoenixville YMCA with Master David Painter. Mrs. Mudd, along with Master Wayne Rosenkrans, is one of the current coaches for the Vaughn's Dojang Creativity Demo Team. She has assisted at various regional and world WTSDA events. She has also competed and placed at numerous WTSDA tournaments, and was the 2007 Region 8 Senior Female Gup Champion. Mrs. Mudd has also served her church and/or the wider community as a youth leader for several years. She is a cum laude graduate of Duke University with a Bachelor of Arts in Art History and Psychology. With over 25 years of experience in the banking sector, she is currently an independent consultant in the areas of community development finance, impact investing, and international microfinance. Mrs. Mudd trains at Vaughn's Dojang with her husband Shannon (a Sam Dan). Her son Jordan is also a Sam Dan and her daughter Savannah is a Cho Dan.

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Mr. Mark Buckwalter

Mr. Buckwalter

Sam Dan (3rd Degree), Tang Soo Do
Cho Dan (1st Degree), Sin Moo Hapkido
Training at Vaughn's Dojang since 2004


Mr. Buckwalter is a Chief Instructor who previously taught the 6:00 PM Monday & Wednesday class at the Audubon Dojang. He has been an active member of the Hapkido program at Vaughn's Dojang since its inception. Mr. Buckwalter regularly volunteers at local and regional WTSDA events, including tournaments and Black Belt tests. Since 2017 he has been employed at Communications Test Design, Inc. as an associate electronic technician. Mr. Buckwalter is also a local visual artist in nearby Phoenixville, PA. He earned an Associate's Degree in Graphic Design from the Art Institute of Philadelphia and later graduated from Temple University's Tyler School of Art with a Bachelor of Fine Arts degree. Mr. Buckwalter's notable recent work includes the regular "Just for Kicks" cartoon feature in the magazine, Tae Kwon Do Times. His cartoons are also a favorite feature in the Vaughn's Dojang newsletter. Click on Newsletters under News & Events above to see examples of Mr. Buckwalter's work in past issues of the newsletter.

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Mr. Rick Braun

Mr. Braun

Sam Dan (3rd Degree), Tang Soo Do
E Dan (2nd Degree), Sin Moo Hapkido
Training at Vaughn's Dojang since 2007


Mr. Braun is the Chief Instructor for the 7:00 PM Monday & Wednesday class at the Audubon Dojang. He has also served as the head instructor for the Special Dragons class and as the assistant instructor for the Cho Dan Bo class (advanced training for Gup students preparing for Black Belt). Mr. Braun has been an active member of the Hapkido program at Vaughn's Dojang since its inception. Mr. Braun is a WTSDA-certified Corner Judge and, along with his fellow instructors at Vaughn's Dojang, is a frequent volunteer at local, regional, and world WTSDA events. Mr. Braun is a Senior Consultant at TransAccel Group. He has more than 25 years of experience in the pharmaceutical industry, holding various IT program, project and management roles—specializing in supporting new pharmaceutical launches and marketing. Mr. Braun holds a Bachelor of Science in Computer Science from the University of Scranton and is married to his wife Mary and they have two children.

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Mr. Kyle Robertson

Mr. Robertson

E Dan (2nd Degree), Tang Soo Do
Training at Vaughn's Dojang since 2007


Mr. Robertson is the head instructor for the 6:00 PM Tuesday & Thursday class at the Audubon Dojang. He also served as an assistant instructor to Master Painter in the Phoenixville YMCA program for many years, as well as assisting with various testing panels, Special Dragons classes, and other studio initiatives. Mr. Robertson is an active participant in the Vaughn's Dojang Hapkido program and oversees the dojang's Facebook pages. He has competed at and served in various supporting roles at WTSDA events over the years. Mr. Robertson holds a Bachelor of Arts in Journalism from Ithaca College and two master’s degrees from Rosemont College—an MFA in Creative Writing and an MA in Publishing. He currently works as Content and Social Media Manager at The American College of Financial Services. In his spare time, Mr. Robertson enjoys writing—he is a published author of fiction and a prolific writer in genres from young adult and historical fiction to fantasy/sci-fi and adult contemporary. He also enjoys teaching, both in an academic setting and with other Tang Soo Do students.

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