These are the people who make it happen.

Erik Schaffer

Founder, CEO, and Head Prosthetist

Erik Schaffer is the founder and CEO of A Step Ahead Prosthetics, and as Head Prosthetist at our New York location he remains highly involved with his patients and in pushing the industry forward. Erik is considered one of the world’s foremost experts in his field and has served as, among other things, an advisor to leading prosthetics manufactures Ossur, Ottobock, and Freedom Innovations and as a medical staff member for the 1996 Paralympics and 2010 USA Track Team. His expertise in prosthetic design and care has made A Step Ahead Prosthetics the ultimate destination for amputees located around the world.

Click here to read Erik’s full bio.
Bob Emerson

CEO and Prosthetist
A Step Ahead Prosthetics Boston

Former Paralympic skiing world champion Bob Emerson has over twenty years of experience in prosthetics and is the head prosthetist at our Boston location. He has contributed to several joint research projects with the MIT Biomechatronics Lab, and is certified to fit major technologies from Otto Bock, Ossur, iWalk, Fillauer, and most other leading prosthetics manufacturers.

Bernie Guzman, C.P.
Bernie Guzman, C.P.
Senior Prosthetist
A Step Ahead Prosthetics New York

Bernie Guzman brings over eighteen years of experience to our New York location. He is certified to fit major technologies from Otto Bock, Ossur, iWalk, Fillauer, and most other leading prosthetics manufacturers and specializes in prosthetic care of patients with lower-extremity limb loss.

Gwyeth Smith, C.P.
Gwyeth Smith, C.P.
Prosthetist
A Step Ahead Prosthetics New York

Gwyeth Smith is a graduate of the prestigious Northwestern University Prosthetic and Orthotics Center, and brings more than eight years of prosthetics experience to our New York location. He is certified to fit major technologies from Otto Bock, Ossur, iWalk, Fillauer, and most other leading prosthetics manufacturers, and specializes in both lower- and upper-extremity prosthetic design, fabrication, and fitting.

Mike Smerka C.P.
Mike Smerka C.P.
Prosthetist
A Step Ahead Prosthetics Boston

Mike Smerka brings over fifteen years of prosthetic clinical experience to A Step Ahead Prosthetic Boston. Since graduating at the top of his class from Northwestern University’s prestigious prosthetics program, Mike has established himself as an expert in both upper- and lower-extremity prosthetics.

Abercio Flores
Abercio Flores

Prosthetic Technician

Alyssa Botelho
Alyssa Botelho

Patient Care Coordinator

Amy Palmiero-Winters
Amy Palmiero-Winters

Director of Operations

Chris Rocco
Chris Rocco

Prosthetic Technician

Courtney Giovanniello
Courtney Giovanniello

Social Media Director, Doctor and Patient Relations

Dan Klepner
Dan Klepner

I.T. Director

Dana Bittner
Dana Bittner

Billing Specialist

Dave Hehn
Dave Hehn

Chief Financial Officer

Debbie Lobmeier
Debbie Lobmeier

Insurance Eligibility and Benefits Verification Officer

Deydre Martinez
Deydre Martinez

Patient Accounts Representative

D.J. Carter
D.J. Carter

Prosthetic Technician

Doreen Ginan
Doreen Ginan

Billing Specialist

Ingrid Pascullo
Ingrid Pascullo

SkinTones™ Manager

James Montgomery
James Montgomery

Prosthetic Technician

Janice Fantino
Janice Fantino

Billing Specialist

Jon Hofbauer
Jon Hofbauer

Shop Foreman

Lauren Piccolino
Lauren Piccolino

Facility Director

Pat Stein
Pat Stein

Billing Specialist

Philip Mazzullo
Philip Mazzullo

Appeals and Compliance Officer

Priscilla Monroy
Priscilla Monroy

Patient Care Coordinator

Renato Castilho
Renato Castilho

Director, Brand and Product Development

Ryan Stolz
Ryan Stolz
Principal Engineer – R&D
Sandra Santos
Sandra Santos

Billing Specialist

Stacy Meyer
Stacy Meyer

Operations Assistant

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