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

Sah Dan (4th Degree) Master, Tang Soo Do
Sam Dan (3rd Degree), Sin Moo Hapkido
Training at Vaughn’s Dojang since 1991


Master Altiere is one of the small percentage of individuals training with the WTSDA to have attained the rank of Master Instructor. His masters training includes attendance at Masters Camp—an annual gathering of Grandmaster Robert E. Beaudoin, 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 Instructors' Club, and an instructor at the annual Region 8 Black Belt Camp. Mr. 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.

Master Sandy Lipstein

Master Lipstein

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


Master Lipstein is one of the small percentage of individuals training with the WTSDA to have attained the rank of Master Instructor. His masters training includes annual attendance at Masters Camp—an international gathering of Grandmaster Robert E. Beaudoin, 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 Cho Dans since its inception. Master Lipstein is now a 4th Dan in Sin Moo Hapkido. He 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. Master Lipstein 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. He is a WTSDA-certified International Judge, a member of the WTSDA Region 8 Instructors' Club, and an instructor at the annual Region 8 Black Belt Camp. Master Lipstein is a member of the board of directors of several non-profit organizations, including the Freedom Valley YMCA (Chairman) and the Freedoms Foundation at Valley Forge. He is a graduate of the University of Pennsylvania’s Wharton School and was the Chief Financial Officer for Comcast-Spectacor for over 20 years. Master Lipstein is married and has three children.

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Dr. Wayne Rosenkrans

Dr. Rosenkrans

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


Dr. Rosenkrans is among the select group of individuals training with the WTSDA who have attained the rank of Sah Dan, 4th Degree Black Belt. His masters training includes attendance at Masters Camp—an annual gathering of Grandmaster Robert E. Beaudoin, 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. He is also the Chief Instructor for the All Stars group at Vaughn’s Dojang. Previously, he taught the Cho Dan Bo class and a specialty class in sparring at the Audubon Dojang; he was also co-instructor with Master Lipstein at the Phoenixville YMCA. Dr. Rosenkrans, along with Mrs. Jenifer Mudd, is one of the current coaches for the Vaughn’s Dojang Creativity Demo Team. At Vaughn’s Dojang, Dr. Rosenkrans is a member of the Executive Committee, the Testing Committee, and is responsible for the collection and analysis of all student data used in studio planning. He has been an active member of the Hapkido program at Vaughn’s Dojang since its inception. Dr. Rosenkrans was previously responsible for the division assignments and head table as well as the souvenir sales for Vaughn’s Winter Championship. He developed the current Cho Dan Bo (Black Belt candidate) testing process used at the dojang. He is a WTSDA-certified International Judge and a member of the WTSDA Region 8 Leadership Group. 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, Distinguished Fellow at the Center for Biomedical Innovation at MIT, 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, one of whom (Chris) is an E Dan in the WTSDA.

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Dr. David Painter

Dr. Painter

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


Dr. Painter is also one of the small percentage of individuals training with the WTSDA to have attained the rank of Sah Dan, 4th Degree Black Belt. His masters training includes attendance at Masters Camp—an annual gathering of Grandmaster Robert E. Beaudoin, WTSDA masters, and master candidates from around the world. 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 been an active member of the Hapkido program at Vaughn’s Dojang since its inception. Dr. Painter is a WTSDA-certified Regional Judge and a member of the WTSDA Region 8 Leadership Group. 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. After having represented families and children with disabilities, he presently is an attorney and special counsel with the law firm of Sweet, Stevens, Katz and Williams in New Britain, Pennsylvania representing over 200 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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Ms. Kristen Winsko

Ms. Winsko

Sam Dan (3rd Degree), Tang Soo Do
E Dan (2nd Degree), Sin Moo Hapkido
Training at Vaughn’s Dojang since 1998


Ms. Winsko is a Chief Instructor who 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. Ms. 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. Ms. Winsko has been an active member of the Hapkido program at Vaughn’s Dojang since its inception. She has also led numerous Women’s Self-Defense clinics. In addition, Ms. 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 Leadership Group. Ms. 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. Ms. Winsko is a graduate of Villanova University and a magna cum laude graduate of Widener University School of Law. She is an attorney with the Lincoln Financial Group. Ms. Winsko is married and has one child.

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Mr. Scott Summers

Mr. Summers

Sam Dan (3rd 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 10 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 is also an active member of the Hapkido program at Vaughn's Dojang. Mr. Summers is 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 an E Dan in the WTSDA.

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Mr. Rick Mentley

Mr. Mentley

Sam Dan (3rd Degree), Tang Soo Do
Cho Dan (1st Degree), Sin Moo Hapkido
Training at Vaughn’s Dojang since 2000


Mr. Mentley is a Chief Instructor who taught the 7:00 PM Tuesday & Thursday class at the Audubon Dojang with his wife, Mrs. Lisa Mentley from 2004 through 2010. He served as an assistant instructor for the 6:00 PM Monday & Wednesday class from 2001 through 2004. Mr. Mentley is the webmaster for the Vaughn’s Dojang website and assists with the editing and production of the Dragon’s Den newsletter. He has been an active member of the Hapkido program at Vaughn’s Dojang since its inception. Mr. Mentley has attended a WTSDA Silk and Steel seminar (specialized training in edged and flexible weapons). He is a member of the WTSDA Region 8 Leadership Group. Mr. Mentley has competed and placed in numerous WTSDA tournaments at the local, regional, and world levels, and is a WTSDA-certified Regional Judge. He is also a member of the WTSDA security team at regional Association events. Mr. Mentley has a Bachelor of Science in Microbiology from Penn State University and an MBA from Villanova University. He has owned Mentley Communications since 1992 and is a Principal Consultant for Audubon Project Management Associates—specializing in regulatory submission and project management projects for the pharmaceutical 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 a financial analysis manager for a large multinational corporation. Mrs. Mentley enjoys training in Tang Soo Do with her husband and two sons, all of whom are Black Belts in the WTSDA.

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Dr. Scott Thompson

Dr. Thompson

Sam Dan (3rd Degree), Tang Soo Do
Sam Dan (3rd 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 and he is a WTSDA-certified Corner Judge. Dr. Thompson has a PhD in Chemistry from the University of California, Berkeley, and is currently the Director of Non-clinical Development at Asana BioSciences. He trains at Vaughn’s Dojang with his wife, son, and daughter, all of whom are 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 Dr. David Painter. Mrs. Mudd, along with Dr. 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 20 years of experience in the banking sector, she is currently an independent consultant in the areas of international microfinance and community development finance. Mrs. Mudd trains at Vaughn’s Dojang with her husband Shannon (an E Dan), daughter Savannah (a Cho Dan), and son Jordan (a Sam Dan).

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Mr. Mark Buckwalter

Mr. Buckwalter

E Dan (2nd Degree), Tang Soo Do
Cho Dan (1st Degree), Sin Moo Hapkido
Training at Vaughn’s Dojang since 2004


Mr. Buckwalter is the head instructor for the 6:00 PM Monday & Wednesday class at the Audubon Dojang. He is a recipient of the Instructor of the Year award and has been an active member of the Hapkido program at Vaughn’s Dojang since its inception. Mr. Buckwalter is an active volunteer at local and regional WTSDA events, including the annual Youth Black Belt Camp program. When not at Vaughn's Dojang, Mr. Buckwalter is 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 Kwan 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

E Dan (2nd Degree), Tang Soo Do
Cho Dan (1st Degree), Sin Moo Hapkido
Training at Vaughn’s Dojang since 2007


Mr. Braun is the head instructor for the 7:00 PM Monday & Wednesday class as well as for the Special Dragons class at the Audubon Dojang. He is also 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. He is an active member of the World Ki Kong Club as well. Mr. Braun is a WTSDA-certified Corner Judge and, along with his fellow instructors at Vaughn’s Dojang, he is a frequent volunteer at local, regional, and world WTSDA events. Mr. Braun is a Senior Program/Project Manager at AstraZeneca. He has more than 20 years of experience in the pharmaceutical industry, holding various IT project and management roles. Mr. Braun is a member of the Board of Directors for the Pharmaceutical Records and Information Management Organization. He 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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