A little about OUR Company

Patrick Treacy, Antony Koblish and Adele Oliva saw a unique opportunity for one company to demonstrate leadership and set the agenda for innovation in surgical oncology. Founded in 2015, with best-in-class innovation partners, Onkos Surgical will deliver high quality implants and instruments that meet the unique needs of musculoskeletal tumor patients. From modular segmental systems to customized solutions and patient specific products, Onkos Surgical will partner with surgeons to provide new innovations to help address complex cases.

Onkos Surgical has capabilities to increase the speed and delivery of innovation. Onkos Surgical is leveraging new technologies, such as 3D printing, to meet the unique needs of the cancer patient or surgeon. Onkos Surgical will develop products for both hard and soft-tissue applications while continuing to explore strategic partnerships to differentiate our product portfolio.

With great customer responsiveness, manufacturing lead-times and quality, our vision is to be able to service and support the needs of the surgical oncologist.

Our Purpose

At Onkos Surgical, we believe…

Individuals with cancer requiring surgery deserve solutions designed specifically for them. These individuals, their caregivers and their support network deserve an organization passionately championing their cause.


At Onkos Surgical, we exist…

To maintain a singular focus on surgical oncology by looking at everything we do through the lens of the cancer surgeon and their patients.


At Onkos Surgical, we will…
  1. Find solutions to our patients’ unmet clinical needs and advocate for their cause.
  2. Partner with surgical oncologists through research, education and innovation, to treat their patients more effectively and more efficiently.
  3. Collaborate with regulatory agencies to find pathways to provide timely solutions while upholding the highest standards of quality or compliance.
  4. Fulfill our employees’ desire to make a difference in the lives of the patients they serve while achieving their own professional growth.
  5. Deliver value to our customers and shareholders.
  • Paul Treacy

    Patrick Treacy

    President and CEO

    Patrick is passionate about leading a team and organization dedicated to supporting healthcare professionals in the area of surgical oncology.

  • Sean Curry

    Sean Curry

    Senior Vice President, Commercial Operations

    Sean joins Onkos Surgical with 23 years of diverse leadership experience in orthopaedics with Biomet, Inc.

  • Bradly Tyler

    Bradly Tyler

    Senior Vice President, Finance and Administration

    Brad brings Onkos Surgical a great mix of financial acumen, administrative prowess and industry experience.

  • Dan Librot

    Dan Librot

    Senior Director, Portfolio and Patient Solutions

    Dan has over 13 years of experience in the medical device industry with specific expertise in orthopaedics and orthopaedic oncology.

  • Gordon Ballard VP of Operations for Onkos Surgical

    Gordon Ballard

    VP of Operations and Quality

    Gordon has been a dynamic leader in the orthopedic device industry for over 15 years. His expertise spans biotech, trauma, reconstruction as well as pain management and healing.

  • Charlie Christiansen

    Charlie Christian

    Vice President, Sales

    Charlie is an accomplished sales leader with over 25+ years of sales leadership experience with a variety of channels including direct, distribution, inside sales and direct marketing.

  • Jerry D’Alessio, PhD

    VP Research and Advanced Engineering

    Jerry has spent his entire 21year career in the area of orthopaedic medical device design and research. At Onkos, he plays a key role in decisions that affect the technical integrity of Onkos products and services.

  • Adele Olivia

    Adele Oliva

    Partner and Co-Founder, 1315 Capital

    Adele founded 1315 Capital in 2014 to establish a firm focused on healthcare growth investing.

  • Paul Tuophy

    Paul Touhey

    Board Member and Executive Chairman Invisible Sentinel, Inc.

    Paul has more than 25 years of medical device industry experience. He is currently the Executive Chairman of Invisible Sentinel Inc.,

  • Antony Kobilsh

    Antony Koblish

    Founder and Chairman of the Board

    Antony Koblish is currently CEO and President of TELA Bio, a surgical reconstruction company he co-founded in 2012.

  • Steven Bloch, MD

    Steven Bloch, MD

    General Partner, Canaan Partners

    A former entrepreneur and practicing physician, Steve knows firsthand the challenges of building successful healthcare companies. Unfazed by the complexity in healthcare, whether regulatory, scientific or technical…

  • Steven Gitelis, MD

    Professor and Vice Chairman, Department of Orthopedic Surgery, Director, Section of Orthopedic Oncology, Associate Chief Medical Officer for Surgery, Chief of Surgery at Rush University Medical Center, and Associate Dean of Surgical Services at Rush Medical College, Medical Director

    A highly regarded expert in the area of orthopedic oncology and limb reconstruction, Dr. Gitelis currently serves as the Director of the Rush Center for Limb Preservation.

  • Lawrence R. Menendez, MD

    Chief, Center for Musculoskeletal Oncology Professor of Clinical Orthopaedic Surgery, Keck Medicine of USC

    Dr. Lawrence R Menendez specializes in the management of malignant and benign tumors of bone and soft tissue.

  • Joel Mayerson, MD

    Professor of Orthopaedics; Chief, Division of Musculoskeletal Oncology; Medical Director Sarcoma Services; Program Director, Orthopaedic Surgery Residency Program at The Ohio State University Department of Orthopaedics

    Dr. Mayerson is an orthopaedic oncologist whose clinical interests focus on innovative reconstructive surgery for bone and soft tissue tumors of the extremities and pelvis.