Our Story

We know your pain points, literally.

Simbex was founded in Lebanon, New Hampshire in 2000 by longtime entrepreneur, CEO and current Simbex Advisor Rick Greenwald, PhD, and serial entrepreneur Robert C. Dean, ScD.

Ten years before Simbex was founded, while pursuing a doctorate in bioengineering at the University of Utah, Rick spent a morning in Park City watching the U.S. freestyle aerial ski team practice. He counted more than six jumps where the skiers hit their heads on the ground and wondered how this was affecting the skiers. How could data be collected from each head impact? Could that data be used to help physicians better understand brain injuries or to improve upon current helmets and protective equipment? 

Evolving technology best suited to address these questions combined with the process for research, product development, and translation to market formed the core principles of Simbex. These principles guided its growth from a small product-focused startup to a leading medical technology development firm over the last 20 years. 

Over the last two decades, Simbex has developed and launched multiple medical technologies focused on injury prevention, mobility, and rehabilitation, generating and commercializing its own intellectual property. Many of these early product developments were supported by federally funded Small Business Innovation Research (SBIR) awards from the National Institutes of Health, Department of Defense, and National Science Foundation. 

Active Contact System, a volume management technology for lower limb prosthetics, launched to the market in 2002. The HIT System launched in 2004, and ActiveStep for fall prevention launched in 2006. The original HIT technology was developed into a blast-and-blunt impact monitoring system for evaluation by the US Army. Since 2004, Simbex has worked closely with Riddell to create groundbreaking on-field head impact monitoring systems for both research purposes and use in popular sports. This led to the implementation of Head Impact Exposure (HIE) metrics in helmeted sports, which are now analyzed in educational and clinical settings and supported by dozens of peer-reviewed publications. 

In 2001, Jeff Chu, MS, joined Simbex as Rick’s business partner and long-time Chief Technology Officer, to contribute on all aspects of the company’s growth and culture. Jeff and Rick collaborated as lead inventors for Simbex’s patents and intellectual property, principal investigators on several funded SBIR and basic science programs, leaders of Simbex’s technology and business development, and set the standard for engineering excellence and creative problem-solving. 

Jonathan Beckwith, MS, was VP of Research and Development from 2004-2019, and played an integral leadership role in the accompanying federally funded NIH and DoD scientific research and publications that underpin all of Simbex’s technology. Jeff and Jonathan managed teams of internal Simbex engineers, researchers, and commercialization experts, along with our many external partners and collaborators at leading brands and research institutions. John Stephens and Dave Bertoni, long-time business partners and friends of Simbex, helped contribute to Simbex’s long-term success. Several other individuals and companies have also contributed to Simbex’s commercialization journey.

Simbex led the development and implementation of two federally funded technology commercialization centers with CEO Rick Greenwald as co-Director: the Center for Translation of Rehabilitation Engineering Advances and Technology (TREAT), which was part of the National Institutes of Health (NIH) Medical Rehabilitation Research Resource Network (MR3), and funded by the National Center for Medical Rehabilitation Research (NCMRR) in the Eunice Kennedy Shriver National Institute of Child Health & Human Development (NICHD) through awards R24HD065703 and P2CHD086841 from 2010-2021, as well as the FDA-funded New England Pediatric Device Consortium (NEPDC; P50FD004907) from 2013-2018. 

TREAT and NEPDC advanced over 500 medical product ideas and were the basis for Simbex’s ongoing commercialization services offerings to clients. Simbex was also a lead participant in the NIH/NIGMS-funded DRIVEN consortium and partnered with Celdara Medical for technology commercialization.

Our experience in working with Riddell to create new products and technologies at scale informs the work we do with all our customers. With our product design expertise and Riddell’s resources, we have new opportunities to create transformative health technologies like the next-generation Axiom helmets designed to be completely custom-tailored to a football player’s head shape for maximum protection. Riddell’s InSite helmet-based impact monitoring system and analytics platform is a direct result of our enduring partnership in sports technology innovation, and we’re excited for a collaborative future together. 

What began as a commercialization platform for Simbex products has evolved into a product commercialization engine for creating our products, assisting external partners in their product development process, and guiding other innovators through the product commercialization process with one common theme in mind: helping people get healthy and stay healthy. 

Today, Simbex brings together a diverse team with cutting-edge expertise in product development, science, data, and analytics to tackle complex ideas and create commercially successful products.

Our Team

Amaris Ajamil
Loves traveling. Running with my dog. Learning new things. Chocolate Aficionado. Eternal optimist. Forever a WhoDat.
Product verification & validation
Regulatory (FDA, FCC, IEC, UL)
Basic research
Translational research
Geoff Clark
Enjoys Tinkering with Vintage SAABs and Spinning his Wife Around the Dance Floor. Automotive Aviator. Dancer. In the Woods.
Product verification & validation
Design (consumer and medical)
3D modeling and simulation
Injection molding
Dave Eypper
In the Pines, On Skis or a Bike, With the Dogs. Fond of Electromagnetism.
Ultra low power/embedded design
Power systems design
IEC 60601-1 Compliance Medical Systems
High speed analog, digital, DAQ
Product verification & validation
Greg Lange
Nordic Skier, Cyclist, Runner, Outdoor Enthusiast, Inspired by his Children, Aspiring Food Entrepreneur, Dark Chocolate-aholic.
Executive Management
Sales and Marketing
Quality system implementation
Regulatory (FDA, FCC, IEC, UL)
Dan Leonard
Loves to mow, plow and cut. Tries to keep his wife from expanding the mini farm.
Experimental test design
Head impact research
Product verification and validation
Quality system implementation
Jeff Meyer-Lorentson
Loves music, riding bikes, making things, and playing in the woods. Mountain Biker. DIY’er. One-man rhythm section.
3D modeling
Prototyping (rapid and otherwise)
Manufacturing process development, implementation, and documentation
Machine and fixture design
SQL Anywhere database maintenance
Karen Page
Likes pina coladas and getting caught in the rain. XC skier. Weekend warrior. Ice cream connoisseur. Wannabe dancer.
Program Administration
Intellectual Property support
Scientific writing
Marketing and outreach
Corey Paye
Likes Chickens, Spicy Food, Tent Living. Gardener. Reader. Hiker.
Embedded firmware
Desktop App
Mobile App
Database development
Simbex customer service support
Jesse Kuhn
Design engineer by day with passion for manufacturing. Maker of wood and metal stuff by night after dad stuff. Saisons.
3D modeling and simulation
Enclosure design and packaging
Materials and component selection
Design for various metal and plastic manufacturing processes
Angela Presley
Has been known to lose an entire weekend to a good book. Critical thinking. Craft projects of all kinds. Stand-up paddle boarding.
Data Analytics
Head Impact, Gait, Balance, Human Performance, Rehabilitation
Healthcare and Medical Device Reimbursement
Education and Assistance Programs
Jay Avis
Enjoys long races, escape rooms, and playing music. Loves hooded sweatshirts. A fan of break-dancing and wiener dogs.
Design (consumer and medical)
3D modeling and simulation
Rapid prototyping
Materials and component selection
George Pfeiffer
Enjoys family, Canoeing (formerly competitively), Golfing (badly), Friends
Algorithm Development
Embedded firmware (ARM, MSP430, 8051, DSP, Microchip, RTOS)
Desktop App (C/C++, Java, python, QT, PC/Mac)
Josh Lamoureux
Loves campfires, swimming holes, and disc golf. Father. Husband. Amateur woodworker.
Human Resources
Organizational Development
Rafael Gutierrez
Craft beer, BBQ, and Pizza Lover. Enjoys reading a good datasheet. Gamer. Homebrewer. Foodie. all-around handyman.
Product Development Leader
Creative Solutions Developer
Customer Management
Embedded Systems Developer
Matt Llarena
Explorer. Trailblazer. Animal lover. Math nerd. Puzzle defeater Loves Fishing, Going to the Beach, or Exploring New Areas  
Firmware Development
Specification Design & Analysis
Test Program Development & Execution
Test Data Analyzation
Product Conceptualization and Design
Kim McKinney
Loves Vacations, Mike’s Pastry, Hockey, Ocean Waves, Rescue Dogs, Fans, Fishing with my sons and Learning how to play Golf.
Business Administration
Inventory Tracking
Office Management
External Inquiries Contact
Sean Philippi
Loves film, live music, art, psychology, and philosophy. Spends a lot of time thinking about health span, leveling up, definitions and framing, and the power of belief.
Web + Software Development
User Experience
API Development
Andrew Provo
Loves: Family, Dogs, Skiing, Homesteading, the Mountains
Technical Program Management
Mechanical Design
Testing and Validation
John Wilson
Enjoys Travel, Colonial Williamsburg, Scottish Heritage, Walking, and Exploring. Married my high school sweetheart.
Software and System Development and Testing
Open-Source Data Collection and Distribution Software Development
Data Acquisition and Hardware/Software Interface
Francisco Zamudio Saenz
I enjoy adventures, love music, investments, and business. The challenge is my passion. Analog designer, Product developer, High speed, High power, PCB designer.    
Analog Design
Audio Amplifiers
Industrial Interfaces
Layout Design
Kim Luke
I love spending time outdoors with my family skiing, hiking, cycling, kayaking and fishing.  
Digital Signal Processing
Algorithm Development
Software Development
Product Development
Aroob Adbelhamid
Loves to read (The Book Thief and The Picture of Dorian Gray are my favorites!), sew, hike, listen to podcasts, and family time!
Data Analysis
Machine Learning
Data Engineering
Richard Adams
I enjoy playing classical and fiddle music with my children. We swim and bike in the summer, and ski and snowboard in the winter.
Cloud Computing
Agile Software Development
Team Building
Elijah Hickey
Enjoys hiking, campfires and movies with friends. Likes to explore new technologies.
Software Engineering
Database Development
Corey Brabant
Enjoys camping with his family in the summer and hibernating in the winter. Hobbies include gardening, fixing cars, building just about anything, cooking and learning the latest technologies.
Full Stack Development
Product Development
Mohammad Homayounpour
I enjoy playing volleyball and soccer, hiking, and spending time with friends and family!
Wearable Sensors
Algorithm Development
Sean Yu
An avid reader and traveler who enjoys a range of outdoor activities, including running, hiking, and playing sports with his family. A proud Midwesterner, he currently resides in a suburb Read More
Digital Health
Data Analytics
Product Development

Leadership Team

Amaris Ajamil, PhD, RAC | Director of Quality and Regulatory Affairs
Amaris Ajamil, PhD, RAC | Director of Quality and Regulatory Affairs
Amaris Ajamil, PhD, RAC | Director of Quality and Regulatory Affairs
Amaris leads the Quality Assurance and Regulatory Affairs team at Simbex, providing regulatory compliance and quality product development oversight including regulatory strategy, usability, risk analysis, verification & validation activities, auditing, and continuous process improvements.
Angela Presley, PhD | Director, Commercialization Services
Angela Presley, PhD | Director, Commercialization Services
Angela Presley, PhD | Senior Consultant, Commercialization Services
Angela leads the Commercialization Services team at Simbex, providing guidance and strategic consulting to MedTech innovators who are in the process of bringing their product to market. She specializes in assessing the product viability from the perspective of care pathway, clinical workflow, and reimbursement considerations.
Greg Lange, MS | President & CEO
Greg Lange, MS | President & CEO
Greg Lange, MS | President & CEO
Greg is an experienced business leader with expertise in business strategy, medical software, imaging, clinical registries, medical device regulations, and product commercialization. He believes that it is a privilege to help companies navigate the path from idea to commercialization and takes that responsibility seriously. He is equally passionate about creating great teams and companies.
Josh Lamoureux | VP of People & Chief of Staff
Josh Lamoureux | VP of People & Chief of Staff
Josh Lamoureux | VP of People & Chief of Staff
Josh Lamoureux leads people and culture initiatives at Simbex, and is passionate about helping people and organizations realize potential, become motivated, and achieve success.
Sean Yu, PhD, MBA | Chief Architect
Sean Yu, PhD, MBA | Chief Architect
Sean Yu, PhD, MBA | Chief Architect
Prior to joining Simbex, Sean has served as Project Director on NIH-funded research programs and recently as a Senior Product Architect and BioTech Lead at Garmin International for almost a decade. He is a seasoned product developer and technologist with over twenty years of R&D experience in industry and academia combined.
Pradeep Bokinala | Chief Technology Officer
Pradeep Bokinala | Chief Technology Officer
Pradeep Bokinala | Chief Technology Officer
Pradeep Bokinala brings over 20 years of experience in developing products and leading teams across diverse domains. His expertise spans Healthcare, Sports Technology, Mapping, and Enterprise applications. Significantly, Pradeep has effectively spearheaded several wearable product development initiatives, taking them from conceptualization to the final product.


Gene Zylkuski | Simbex Advisor
Gene Zylkuski | Simbex Advisor
Gene Zylkuski | Simbex Advisor
Gene Zylkuski is a hands on technical executive with significant experience in product management, technology selection and architecture, product development (including setting up and managing offshore development), pre-sales support and services management.
Richard Greenwald, PhD | Simbex Founder & Advisor
Richard Greenwald, PhD | Simbex Founder & Advisor
Richard Greenwald, PhD | Simbex Founder & Advisor
Rick is an entrepreneur and biomedical engineer with over 25 years of experience in building companies, developing novel technologies, and motivating the process of technology commercialization in the medical device industry. His expertise includes technology and intellectual property development, evaluation and licensing, strategic financing, and business development.
Jeff Chu, MS | Simbex Advisor
Jeff Chu, MS | Simbex Advisor
Jeff Chu, MS | Simbex Advisor
Jeff is a seasoned medical device developer and technologist who was directly responsible for the creation and development of nascent technologies from ideation through transfer to manufacturing at Simbex for over 20 years.
Xan Abess, MD | Simbex Advisor
Xan Abess, MD | Simbex Advisor
Xan Abess, MD | Simbex Advisor
Xan Abess is a practicing anesthesiologist (Dartmouth Hitchcock Medical Center) and Assistant Professor of Anesthesiology and Perioperative Medicine at Geisel School of Medicine at Dartmouth. Xan serves as a clinical advisor for Simbex because of his wide range of clinical experience (private practice, academic medicine, and military medicine) as well as having previously started his own medical device company.

Interested in Joining Our Team?

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