Our Staff


Matt Keller

Matt Keller, originally from North Wales, PA, turned professional in 1998 and earned his PGA Membership in 2003. Matt continued his work with the PGA and earned certifications in Player Development and Teaching & Coaching within the PGA’s Certified Professional Program 2.0. Matt holds additional certifications in Titleist Performance Institute Level 1, K-VEST Level 1 & K-VEST Level 2.

He is a graduate from the Pennsylvania State University with a degree in Recreational Park and Management with an option of Professional Golf Management. Matt continued his education and earned a Master’s Degree from Ohio University. Within the Master’s Program, Matt focused on sport psychology, long term athletic development, athlete performance, conditioning, recovery and injury prevention.

Matt has worked with some of the finest PGA Golf Professionals and facilities in the country, highlighted by Lancaster Country Club. Other facilities include the Country Club of Naples, The Strand, and Cripple Creek Golf and Country Club.

Matt’s experience draws on the ability to develop successful player development programs, highlighted by a Play Golf America program that ranked in the top 30 of 3,800 participating facilities nationally. Over the course of his career, Matt has instructed thousands of players of all ages and ability levels. His teaching ability extends beyond the golf course and into the classroom where he served an instructor for Ohio University’s Masters Degree Program. In addition to traditional roles as a PGA Golf Professional, Matt has worked as a freelance writer and published over 2,000 golf industry articles since 2010.

Direct Message: matt@yorkindoorgolf.com


Derek Fenstermacher

Derek has been a PGA Class “A” Member since May 2016. He took up the game of golf when he was just 6 years old. Growing up Derek played a variety of sports, but while playing golf in high school he decided he wanted to make this great game his passion and career.

Derek was born and raised in the small town of Dover, Pennsylvania, which sits about forty minutes south of the capital, Harrisburg. He started working at Grandview Golf Course in Dover, PA when he was 15 years old and upon graduation from high school, he was accepted into the Professional Golf Management program at Coastal Carolina University. After four and a half years Derek graduated with a degree in Professional Golf Management while also receiving a bachelor’s degree in Accounting.

Derek’s experience comes from working internships at clubs such as the Country Club of York, where he worked for his first 3 internships, Bristol Harbour Resort, where he completed his final internship, and Regents’ Glen Country Club, where he worked as an Assistant Golf Professional from April 2016 – January 2017. Over the course of his 4 internships and Assistant Golf Professional position, Derek was instrumental in helping grow instructional programs. He is K-Vest Level 1 certified, which is the industry’s only human motion learning system. His desire for knowledge on how biomechanics can help the golf swing has motivated him to study more about this subject. He is very excited to be pursuing his passion for teaching and club fitting, full time, at York Indoor Golf & Training Center.

Direct Message: derek@yorkindoorgolf.com

Tyler Schermick

Tyler attended Coastal Carolina University for three years in the PGA of America Professional Golf Management Program before continuing as an associate in the program. 

Tyler grew up in Berks County playing a variety of sports such as baseball, basketball, and football. Injuries led him to switch over sports where he found a passion in golf. Tyler played all four years of high school golf at Conrad Weiser. After graduating high school Tyler attended Coastal Carolina University in Myrtle Beach, SC. He gained experience at internships with Lake Waramaug Country Club in Connecticut, and Ledgerock Golf Club. After two and a half years Tyler left Coastal Carolina and returned back to Mohnton, PA to work at Ledgerock Golf Club as an Assistant Professional and continue his path within the PGA Golf Management Program. Tyler then moved on to Galen Hall Golf Club as the Director of Golf. Through his 2 internships, and assistant professional position Tyler has helped grow junior instructional programs. Tyler has also had the opportunity to work with college and high school golfers during his time at Ledgerock. 

Tyler’s passion for the game of golf extends past his own playing abilities. Tyler has developed a strong desire to help others learn how the golf swing works and help them set and meet their golfing goals. He is excited to start teaching and club fitting full time in his new position at Lancaster Indoor Golf & Training Center.

Direct Message: tschermick@lancasterindoorgolf.com

Bret Hollis

Bret comes to York & Lancaster Indoor golf with three years knowledge of club fitting training with such companies as Titleist, Ping, Callaway and others. Bret is also currently working with Cobra/Puma golf conducting fittings and demos at courses throughout the state of PA.  Brets’ love of the game started early with his father being a member of Cool Creek Country Club and his mother working at the course for more than 25 years. Bret enjoys the club fitting process seeing technology change over the years. ” It is so enjoyable to help a fellow golfer no matter their skill level, to find the proper equipment that will push their game to the next level and to make the game more enjoyable.” 

Direct Message: bhollis@lancasterindoorgolf.com

Reed Bok

Reed attended The Ohio State University and graduated with a Bachelor’s Degree of Science in Agriculture with the Professional Golf Management program.

Reed is originally from Lima, Ohio, and played four years of high school golf at Lima Bath. After graduating high school, Reed attended Ohio State originally as an accounting major. His golf background led him to the Golf Management program. While in the PGM program, Reed completed internships at Shawnee Country Club in Lima and Rattlesnake Ridge Golf Club in Sunbury, Ohio. He also spent time volunteering with the First Tee of Central Ohio, where he visited local elementary schools to teach fundamental golf skills to students. After graduation, Reed was an assistant golf professional at New Albany Links Golf Club. Reed then moved on to a sales position in logistics, and has since returned to the golf industry, more recently as a golf sales associate at Dick’s Sporting Goods and the assistant golf professional at Heritage Hills Resort in York.

Reed plans on starting his PGA certification in the near future and is excited to start his new position as a full-time teacher and club-fitter at the Lancaster location.

Direct Message: rbok@lancasterindoorgolf.com

Joe Ambrosio

Joe has spent over 35 years in corporate management in both the public and private sectors. He has trained dozens of marketing executives and has written several training manuals. His professional

career has included being national training director for a large planning association in Frisco, Texas and  has served in such capacities  as a division manager, regional director and Vice-president with several national organizations.  The last several years he was a director for one of the nation’s largest hospitality public affairs organizations.

Born in Edison, New Jersey and raised in Chambersburg, Pennsylvania, Joe received his undergraduate degree from Duquesne University in Pittsburgh and his masters from Duke University in Durham, North Carolina.  He also has attended the University of Heidelberg in Germany for his doctoral degree.  Joe proudly served   in the United States Army as an Armor officer in the 3rd Armored Division in Germany and Kuwait. 

His sports background includes being  a student-athlete and coach at both the high school and college level. He most recently managed the Golf shop at Heritage Hills resort and Spa and has played golf since he was in 7th grade.  His primary duty is to grow Indoor Golf’s footprint throughout central Pennsylvania and help people learn and enjoy the game.

Direct Message: jambrosio@lancasterindoorgolf.com