Experience Matters


Patrick Mullaney (President/CEO/Chairman of the Board)

Patrick Mullaney has over 24 years of industry experience with orthopaedic implants (external fixation, internal fixation, total joint replacements) including field sales and sales management roles for Smith & Nephew Orthopaedics, Biomet Orthopaedics, and J&J DePuy Orthopaedics. In addition to start-up experience as co-founder of Arrowhead Medical Device Technologies LLC, Patrick also co-founded ExtraOrtho, whose ExtraFix External Fixation System was acquired by Zimmer in 2011.

Michael Mullaney (VP – Product Development)

Michael Mullaney has over 25 years’ product development experience. In 1988, Michael was responsible for analysis and design of engine control and fluid management systems as an aerospace engineer for Hamilton Standard, a division of United Technologies. In 1991 he joined Marotta Scientific Controls as a member of the R&D department working on a variety of fluid controls and electromechanical systems for NASA, advancing to engineering manager of R&D and Design Engineering. In 2001, Michael left the aerospace field and formed a joint venture with the software company NetIDEAS to bring a self-conceived web enabled software solution for a hexapod fixator to Smith & Nephew. That software solution was introduced in 2002 and is still in use as spatialframe.com. In 2000, Michael became a co-founder of VisionMed, a company that developed an external fixation device and associated software. Michael co-founded ExtraOrtho in 2007, developing the ExtraFix External Fixation System that was acquired by Zimmer in 2011. He holds several patents for external fixation technology. Michael earned a BS in Mechanical Engineering from Clarkson University and a MS in Mechanical Engineering from Stevens Institute of Technology.

Tom Twardzik (VP – Marketing and Operations)

Tom Twardzik has over 25 years of experience in medical device commercial functions such as product management, product development, patent and regulatory submissions, product launches, technical marketing, sales support and national accounts for Smith & Nephew, Sonosite (ultrasound) and Exactech Orthopaedics. Product areas include internal fixation, external fixation, total joint replacements, image guided surgery, point-of-care ultrasound and joint injections. Tom is a co-founder of Arrowhead Medical Device Technologies, LLC. He earned a BS and MBA (Information Systems) from Penn State University Smeal College of Business.

Larry Zayat (VP – Sales)

With over 17 years of experience in the medical device and healthcare industries, Larry Zayat offers a rare combination of clinical experience with both internal and external fixation devices as well as in growing and managing an independent sales organization. Larry has been involved in the sales of medical devices for almost 20 years in sales positions with Orthofix, OrthoPediatrics and Synvasive Technologies. He also has experience in the provider side of healthcare as a founding partner in a company offering interventional spine and pain management treatments in addition to laboratory services. Larry’s professionalism, consistent sales effectiveness and relationships with sales agents and surgeons serve as valuable organizational resources to ensure efficient clinical and commercial validation for AMDT’s innovative products. Larry earned his Bachelor of Business Administration with an emphasis in Finance from the University of Oklahoma.

Board of Directors

Rob Anderson

Rob Anderson is the founder and CEO of Advantage Medical Consulting Group, an international distribution company with focus on unique products and services for the orthopaedic, spinal, podiatric, and neurosurgical sectors. In addition to his executive role at AMCG, Mr. Anderson is also the president of Fortitude Equity Partners, LLC, in which he pulls from his experience to help refine marketing strategies and operations, develop partnerships in the surgical community, and secure key customers.

Mr. Anderson began his career in the medical device space with Cytyc Surgical, where he was responsible for developing the sales channel for new therapies in the radiation oncology space. Following Cytyc, Mr. Anderson moved into roles of increasing responsibility with Synthes Spine and then Covidien, where he was brought in as an Area Manager, responsible for the strategic planning, business development, and sales of a $25 million product portfolio in the neuro-biologics space. Following Integra’s acquisition of Covidien’s Neuro portfolio, Rob spun out his biologics business to Vivex Biomedical, where he serves as Vice President, managing and directing the sales and marketing of a $50 million regenerative medicine business with key solutions for the orthopedic and spinal surgery sectors.

Rob Anderson attended Western Kentucky University on scholarship and graduated with high honors. Mr. Anderson earned an MBA from the University of Georgia’s Terry College of Business, where he completed an internship in Shanghai, China with United Health Partners and graduated with honors.

In addition to his duties at Arrowhead Medical Devices, Mr. Anderson serves on the board of various companies and foundations including the Terry College of Business Alumni Foundation and Allyne Health. Rob Anderson is a founding member of multiple start-up companies in the orthopaedic space and has played a key role in the development, commercialization, and divestment of products with revenues in excess of $45 million.

Jim Orsak

Mr. Orsak has over 24 years of experience in the Orthopaedic field and is currently the owner of Heartwood Enterprises, an orthopaedic distributor in the Southeast US specializing in pediatric deformity correction. He has served as CEO of Citieffe Inc., as Director of Marketing of the Foot & Ankle Division of Wright Medical Technologies, Inc. and as Director of Global Marketing of Fixation and Electrical Stimulation for Orthofix Inc. He began his career in medical devices as a product development engineer for Smith & Nephew Orthopaedics and has numerous patents. Mr. Orsak earned a BS in Mechanical Engineering from the University of Memphis and a MBA from Christian Brothers University.

Steve Schieber

Mr. Schieber has served on the Arrowhead Medical Device Technologies Board of Directors since the organization’s inception in 2010 and will continue his involvement with AMDT Holdings. Mr. Schieber is currently an executive at Joy Floor and Acoustical, Inc., a locally-owned company in Memphis, TN. Joy Floor and Acoustical, Inc. is an Armstrong products distributor/contractor for both commercial flooring and specialty ceiling products in the tristate area. Mr. Schieber began his medical device career in Memphis with the orthopaedic division of Smith and Nephew. Following several years inside the corporate organization, he left his sales training position to cover a sales territory in Atlanta, GA under the management of Patrick Mullaney. He later represented the orthopaedic products division for J & J DePuy in Nashville, TN. Mr. Schieber returned to Memphis to become part-owner in a family business: Joy Floor and Acoustical, Inc. He is a graduate of the Fogelman College of Business at the University of Memphis.