About Navv Systems, Inc.

Based out of Ann Arbor, Michigan, Navv Systems, Inc., is transforming healthcare via NavvTrack® Care Traffic Control. The company provides real time location systems for healthcare’s fast-paced and dynamic work environment. NavvTrack powers asset management, mobile team orchestration, and self-serve mobile patient wayfinding. NavvTrack improves productivity, safety, and efficiency for healthcare teams, patients, and visitors.

Meet the Founders

Co-Founder & CEO

Daniel Siegal, MD

Dr. Siegal is a radiologist, computer scientist, innovator, and healthcare leader. He has over 15 years of experience in clinical radiology, hospital operations, and healthcare informatics. His vision for Navv inspired the concept of Care Traffic Control in the NavvTrack platform – easy-to-use healthcare focused location technology that helps clinicians, support teams, and hospital leaders do more with less – improving efficiency, utilization, and patient care.

Dr. Siegal loves to travel with his family and explore new places and cultures.  He’s an avid foodie and loves to cook, which is balanced by his love of fitness, CrossFit, hiking, and skiing. He enjoys crossword puzzles, and completes the NYT puzzle every day.  日本語も少し話せます.

Co-Founder, President, & Chief Product Officer

Paul E. Zieske, BSEE, MSHI, PMP

Paul is an engineer, workflow guru, and innovator with 20 years of experience in healthcare IT and air traffic control systems. Most recently he was program manager for RTLS, RFID and indoor positioning at Henry Ford Health System. Prior to moving into healthcare, he worked on air traffic control systems at the FAA and led a project to replace cumbersome and out of date weather equipment in Alaska with inexpensive linked web cams. Paul is a Project Management Professional (PMP).

You can typically find Paul in the gym training for another triathlon.

Origins and Growth

Daniel Siegal, MD and Paul E. Zieske founded Navv in 2018 to transform healthcare with location intelligence. The Navv co-Founders met in the 2014-15 inaugural class of Henry Ford Innovations’ Davidson Fellowship program. The Navv team has grown from 2018 to include Chief Growth Officer Dann R. Lemerand as well as additional support and development resources. In 2021, Navv received funding from several Venture investors to power its platform growth and expansion.

Meet the Team


Heather Grisham

Heather has spent over 27 years working with start-ups and early-stage technology companies, specializing in the establishment of scalable business processes for administration, finance, operations and fundraising. Prior to joining Navv Systems, Heather was the COO/CFO for Pixel Velocity, an early-stage technology firm creating software for the oil and gas industry.

Even though Heather is tone-deaf, she loves to sing for anyone who is interested in a personal concert.

Chief Growth Officer

Dann R. Lemerand, FHIMSS

Dann is a strategist and healthcare IT business development expert with over 25 years of experience. Dann is a Fellow of the Healthcare Information and Management Systems Society (HIMSS). He has taught healthcare information technology at Macomb Community College. At Navv and throughout his career, Dann is driven by the success of his clients and partners and their ability to improve patients’ lives and care.

Dann is an avid cyclist who occasionally enjoys Pollyeyes World Famous breadsticks from time to time.


Eugene Baxter

Eugene is an experienced CTO with extensive experience with cloud, SaaS development, healthcare and leading global teams. He combines experience as a Global Solutions Architect at Amazon, SVP for development at a major pharmacy automation company, director at one EHR company and CTO at his own EHR company.

In college, Gene worked for a telephone company where he would climb telephone poles and paint orange stripes on the ground.

Senior Director, Integration

Steve Hermans

Steve has domain expertise in relational database programming, performance tuning and HL7 interface development and deployment. He has designed database solutions by creating longitudinal Electronic Health/Medical Records Systems; use of relational and dimensional aspects of data from various types of clinical information systems. Steve creates a stress-free client experience through product integration and application development with NavvTrack.

Director, Product Management

Andrew Stauffer

Andrew is a map geek, who found his passion for Geographic Information Systems and Cartography while studying Graphic Design at Bowling Green State University. He has worked professionally in GIS and the software industry for over 20 years, where he spent most of his career building products at Esri.

Outside the office, Andrew enjoys running and eating taco's or sushi in every city he visits.

Director, Platform Engineering

Pratik Agrawal

Pratik is an experienced software and product engineering leader with expertise in the healthcare domain. He has spent several years leading teams and developing web and mobile software for medical devices and digital healthcare solutions. He’s excited to join the Navv team and tackling the healthcare challenges our customers face today.

Pratik is a basketball fan and enjoys shooting hoops in his spare time.

Customer Delivery Manager

Jessica Cercone, BSIOE, MSEM

Jessica is a process engineer, project manager, and implementation strategist. Prior to joining Navv her experience spanned multiple industries. Most recently she drove process improvements for a major healthcare organization, where she led the creation of a technology solution to ensure timely follow-up care for patients. She is passionate about enhancing your patient experience through teamwork and innovation.

If you ever need a recommendation on where to eat, Jessica is an avid foodie who loves trying out new restaurants.

Project Manager

Breean Flax

Breean is a project manager with a diverse background in Scrum and Project Management spanning the healthcare, mental healthcare, and logistics fields. Breean has a passion for understanding the human mind and its connection to effective project management and possesses a rare ability to empathize with customers, meet them where they are, and truly comprehend their needs. This empathetic approach enables her to forge strong relationships and ensure that the solutions she delivers align precisely with clients' requirements.

When not indulging in mindless Reality TV, Bree is spending time with friends and family, her cats, and building her technical skills, because who wants to be left behind when Robots take over.

Product Designer

Erin Brynn

Erin is a product designer who enjoys combining research and design to create a user-centered experience. Prior to working in healthcare technology, she worked as a UX researcher and designer on various projects in Ann Arbor and studied Spanish in Granada, Spain. She joined the team in 2020 and is excited to work with Navv to improve the patient care experience.

Erin loves to listen to 80s music on her way to work.

Field Engineer

Caleb Kartha Bortles

Caleb is a field engineer with a strong background in mechatronics, computer aided modeling, and fluid dynamics. In the past he has worked on assessing 18 technologies from industries including ADAS, additive manufacturing, machine learning systems, rocketry, shock mitigation design, sensor design, advanced agricultural systems, and advanced biomedical systems. Caleb enjoys troubleshooting and working with Navv clients in their facilities to improve outcomes.

Marketing Coordinator

Matt Nelson

Matt is a creative, data-driven marketing coordinator with 7+ years of experience in building brand recognition and engagement through targeted print and digital campaigns. Prior to joining Navv Systems, Matt worked in the SaaS and Asset Management space. In his previous roles, he collaborated cross-functionally to achieve business goals and to develop B2B print and digital marketing collateral.

During the hot days of summer you can find Matt on a paddle board exploring the local lakes and streams of Texas with his family.