Our Team

Greg Mackenzie PT

Greg was born in Pietermaritzburg, South Africa. He was raised on a farm in the midlands of Natal, riding horses and was competitive in showjumping, cross country and Dressage. He graduated from Hilton College where he also played rugby, cricket and ran track. He then went on to study for his Bachelor of Science in Physiotherapy at the University of Stellenbosh, near Cape Town and thereafter his Master’s of Sports Science at the University of Natal, Durban.

Greg owned and operated a Sports Medicine clinic, Kings Park Sports Medicine Centre, in South Africa for 14 years. Greg also spent many of these years as the official Physical Therapist and Trainer for the Natal Sharks Rugby team and the international Springbok Sevens Rugby team. He traveled extensively all over the world, including multiple trips to New Zealand, Australia, Japan, China, Hong Kong, Paris, London, Dubai, Malaysia, Fiji and also many South American countries including Chile, Argentina and Uruguay. He brings to Xcel a wealth of orthopedic, manual and sports physical therapy experience.

After moving to the USA permanently and becoming a US citizen, he gained much experience working in various clinics and hospitals in the greater Dayton area and Indiana. Xcel Sports Medicine was established in 2006, with the core principle being the ‘hands-on’ approach to PT which defines the philosophy of the clinic. This is the fundamental basis of the clinic’s approach to the management of orthopedic, and sports injuries that constitute the bulk of the patient population at the clinic.

An avid marathon runner, Greg has run in many area races, including the New York, Columbus, Cincinnati Flying Pig, Air Force, and Boston Marathons and he has run the 56 mile Comrades in South Africa 8 times. He enjoys sharing the benefits of this sport with as many people as possible. Greg is married to Celeste, a master Pilates instructor and owner of Peak Personal Pilates. They have 2 grown children; Brett, a graduate of the University of Louisville and competitive swimmer and Sarah, an NYU graduate currently pursuing a career in the arts in New York City.

Erin Baize DPT

Erin is a 2005 graduate of the University of Indianapolis with a Doctor of Physical Therapy degree. She also earned a degree in Health Sciences from Purdue
University in 2002. Her clinical experience ranges across the spectrum in both age groups and diagnosis type.
Erin is dedicated to providing quality one on one care to all of her patients. She believes that therapy should be both beneficial and fun for her patients. She works hard alongside her patients to return them to a high functioning and pain free lifestyle.
Erin has earned certifications in the Astym®️ system, Graston Technique, and in Dry Needling. Erin’s professional interests include sports medicine physical therapy and general orthopedics.

In her free time Erin enjoys traveling, biking, hiking and spending time with friends and family.

Scott Blackburn PT, DPT, CSCS

Scott was born and raised in Springfield. He graduated from the University of Dayton’s PT program, and before that received his Bachelor’s degree in Neuroscience from Wright State University.

Scott has a special interest in treating athletes and active individuals of all ages, especially golfers. He holds the Titleist Performance Institute golf certification for the assessment and treatment of golfers and is a certified strength and conditioning specialist.

In his free time, Scott enjoys playing golf, traveling, and watching his favorite football teams – THE Ohio State Buckeyes and Pittsburgh Steelers.

Noah Ogle PT, DPT

Noah Ogle earned his Doctor of Physical Therapy (DPT) from the University of Dayton. Prior to that, Noah obtained his Bachelor of Science from Wright State University.

Noah specializes in strength and conditioning and is most interested in treating sports injuries.

In his free time, Noah enjoys exercising, traveling, and watching sports.

Troy Schultz PTA

Troy Schultz earned his Bachelors in Health Science from the University of Findlay. Prior to that, Troy obtained his PTA certification from Edison State Community College.

In his free time, Troy enjoys hiking, running, and watching his favorite sports teams.

Darren Riggs PT

Darren Riggs earned his Doctor of Physical Therapy (DPT) from the University of Tennessee Health Science Center. Prior to that, Darren obtained his Exercise Science degree from East Tennessee State University.

Darren specializes in orthopedics and is most interested in treating cervicogenic headaches.

In his free time, Darren enjoys golf, working out, and basketball.

Stephanie Mitrousis PTA

Stephanie was born and raised in Dayton, Ohio. After attending Wright State University for her undergraduate degree in Exercise Science, she pursued her PTA degree from Edison State Community College, graduating in May 2022. Stephanie joined Xcel in July of 2023, practicing at the Beavercreek location. She enjoys treating a wide variety of patients in the outpatient setting, from orthopedic to neurological related injuries.

In her free time, she enjoys outdoor activities, traveling, and spending time with friends and family.

Kevin Royce PT

Kevin was born and raised in Grand Rapids, MI. After attending Central Michigan University for his undergraduate degree in Health Science, he attended the University of Dayton, achieving his Doctor of Physical Therapy in May 2016.

Kevin joined Xcel in June 2016, and brings a passion for both orthopedic and neurological populations. He continues to work on publishing work, utilizing screening tools to predict injury in NBA players, but is also interested in concussions and balance disorders. In his free time, Kevin enjoys running, any outdoor activities, and watching Baltimore Ravens, Detroit Red Wings, and Notre Dame Football.

Celeste Mackenzie

South African born Celeste Mackenzie studied Classical Ballet from a young age and danced professionally for 12 years in London, and South Africa and briefly in the USA. Celeste achieved Principle status and danced the lead roles in most of the Classical Ballets, Balanchine and many original pieces until her retirement in 1992.

Her Pilates Journey started soon after retirement due to the many injuries she endured throughout her professional career. Celeste studied to become a Pilates instructor and completed her Comprehensive training with Power Pilates in NYC and Chicago. Celeste established her own studio, Peak Personal Pilates in 2002 as well as at her husband’s clinic, Xcel Sports Medicine focusing on Rehab and Functional Pilates.

Andy Schulze PT

Andy, of Maria Stein, is a 2004 graduate of Marion Local.  He attended Bowling Green State University for his undergraduate coursework, majoring in Applied Health Science.  Andy graduated from The University of Findlay in 2011 with his Doctorate of Physical Therapy.  He started his physical therapy career as a travel physical therapist, which took him from California to Washington D.C. with several stops in between.  Andy has experience working in various settings and his specialties include orthopedic sports medicine and manual therapy.

Andy’s wife is also a 2011 graduate of UF’s Physical therapy program.  They reside in Anna, Ohio.  Andy enjoys golfing, being outside, and spending time with his wife Lindsay.

Anna Weni PTA

Anna is a 2013 graduate of Miami East High School. She completed two years at Urbana University, where she played soccer and studied Sociology. Anna then transferred to Grace College in spring of 2015 and continued in Sociology. In fall of 2015, Anna changed directions and decided to pursue becoming a PTA, which landed her at Edison State Community College in Piqua, Ohio. She graduated from the program in May of 2018 and started her career at a skilled nursing facility in Cincinnati until October of 2019, when she joined the Xcel team.

Anna resides in Troy, Ohio with her husband, Nakilee. In her spare time, she can be found taking pictures, on a bicycle, in her garden, or on a soccer pitch with Nakilee, giving back to the game.

Barb Smith PT, DPT

Coming Soon!

Ben Ruggles PT, DPT

Ben Ruggles attend physical therapy school at the University of Findlay, graduating with a Doctorate of Physical Therapy. He completed additional curriculum in sports science as well as manual therapy interventions. Shortly after school, Ben joined the Xcel Physical Therapy team and currently practices in the Beavercreek location. With a strong passion for orthopedic management, Ben has been able to help many patients back from sport, work, and home related injuries. Ben is certified with Dry Needling and believes in the hands-on approach for physical therapy for treatment. Outside of work, he shares his time with his wife enjoying Disc Golf, hiking, fishing, and kayaking.

Jon Sauer PTA

Coming Soon!

Shae Goubeaux PTA

Shae was born and raised in Russia, Ohio, where she graduated high school in 2017. She received her PTA degree from Rhodes State College in May 2019 and was hired shortly after graduation as a PTA in our Anna clinic. In her free time, Shae enjoys running, spending time with her fiancé, and coaching track and field.

Weston Rittenhouse PTA

Weston is a 2019 graduate of Fort Loramie High School. He received his PTA degree from Edison State College in May of 2021. He was hired shortly after graduation as a PTA in our Anna and Vandalia Clinics. In his free time, Weston enjoys working out, keeping up with all his favorite sports teams, and spending time with friends and family.