Introducing Mainstay Medical

We’ve innovated to deliver a restorative therapy for mechanical Chronic Low Back Pain (CLBP) designed to change patients’ lives.

Who We Are

We are a global medical device company offering therapeutic solutions and new hope for adults suffering from chronic pain. We aim to transform patients’ lives everyday by alleviating pain and improving function.

Mainstay Leadership

Mainstay Medical is led by a team of dedicated scientists, executives, engineers, and clinical experts who leverage their collective experience to develop and commercialize technologies that address unmet clinical needs.

Jason Hannon
Chief Executive Officer
Matt Onaitis
Chief Financial Officer
Elias Tu
Vice President of U.S. Sales
Derek Matteo
Vice President of Marketing
Diane Burnside
Vice President Clinical Affairs
Jan Pieter Heemels
Vice President Scientific Affairs
Chip Moebus
Vice President of Reimbursement and Market Access
James Knibbs
Vice President of UK, Ireland, and Australia
Boris Deutschmann
Country Manager Germany
Investor Information & Patents

An innovative, patient-first culture

We’re a growing company of enthusiastic team players who enjoy collaboration, value relationships, and want to challenge themselves every day. Join us in helping others rediscover living.

Mainstay Medical is seeking a Clinical Scientist who will provide Spine and Neuromodulation knowledge to assist in the execution of programs for evidence generation and clinical study design to support commercialization, regulatory submissions, publications, and conference presentations. The Clinical Scientist will provide input for the design of post market research opportunities and participate in strategic decisions related to clinical evidence to support product development, as well as collaborate with various internal stakeholders (Clinical Project Management, Regulatory, Clinical Communication, Quality, and the Field Sales team) and external stakeholders (including physicians and site research staff). The Clinical Scientist role is based in San Diego, CA.

Please send your resume to to apply.

Mainstay Medical is seeking an innovative and passionate Manager of Sales Training and Professional Education (or Senior level, depending on qualifications, experience, and training) to establish, direct, manage and deliver robust programs for Physicians and Clinicians, both implanting and ancillary medical facility support staff.  The Manager (or Sr. Manager) will report to the Head of Clinical Development. This role will develop and deliver sales training for Field Territory Managers and Clinical Specialists. Support the certification process of the global field sales team. In this role based in San Diego, will give you the unique opportunity to be part of a new and innovative medical device aimed to treat patients with mechanical chronic low back pain. We hope you will join us on this journey to ReActiv8 life.

Please send your resume to to apply.

Mainstay Medical is seeking driven Therapy Managers to contribute to the execution of the strategic commercial launch of ReActiv8® in the U.S. The successful candidates will display the ability to educate customers and accounts to drive Reactiv8® adoption at every level. They will also develop and execute near and long-term business growth strategies of the organization.

Click the links below for more information and to apply.

Therapy Manager – Seattle or Portland 

Therapy Manager – Atlanta or South Carolina

Therapy Manager – New Jersey or NYC

Therapy Manager – Washington DC or Philadelphia

Therapy Manager – Denver, Colorado

Therapy Manager – North Carolina

Therapy Manager – Indiana

Mainstay Medical is seeking a Clinical Specialist professional to support in the execution of the strategic commercial launch of ReActiv8 in the U.S. The successful candidate will provide technical, educational, sales, and clinical support to medical professionals and patients. The role reports into the Business Development Leader and is home-based near Philadelphia, NYC, or NJ.

Please send your resume to to apply.

Mainstay Medical is seeking an analytical and passionate Strategy & Financial Analyst to join the global Finance and Strategy/BD team. In this San Diego based role, you will support the Finance and Strategy/BD teams with competitive and market analyses, due diligence, transaction analysis, FP&A, and other key strategic activities. The ideal candidate is a self-starter who has relevant experience and training & education in finance, consulting, or industry research analysis work. We hope you will join us on this journey to ReActiv8 life.

Click here for more information and to apply.