A hearty welcome to our existing and would be customers! As you navigate our site, hoping that this is the start of a mutually productive journey together.

About Us

Navistree is a Limited Liability Company established in the state of Michigan, USA. Established in 2006, we are in our 6th year of operation. With strong local connections and presence in North America and India, Navistree excels in business engagements that require cross border transactions and services. 

Mainly cover the domains of Business, Technology and Medical/Healthcare, leveraging 20+ years of International experience in building value added partnerships. We pride ourselves on our flexibility and responsiveness to cater to a variety of customer needs in multiple Time Zones across the globe.



Kumar Sivan


Kumar Sivan is a Mechanical Engineer with over 20 years of International experience. His career covers exposure to major globalplayers like General Motors, Ford Motor Company, Chrysler Corporation, Delphi Automotive Systems, Satyam Computers and Siemens.

A naturalized American citizen that has lived for 13 years in the USA and 5 years in Europe (France, Germany and UK). He has been operating out of Bangalore, India since 2004. He speaks English & German besides several Indian languages. Lived and worked in 5 countries on 3 continents. Extremely well traveled and keenly attuned to multiple cultures.

Cheryl Sivan


Cheryl Sivan is a Registered Nurse by Training. A natural born American citizen who grew up in Grand Rapids, Michigan. Cross cultural marriage to Kumar of 19+ years. Has over 20 years of healthcare experience and has worked in several Detroit area hospitals in Emergency, Critical care, Cardiac units and Home care. Cheryl has lived in 6 countries and in Bangalore since 2004.

As a Management Consultant she specializes in the area of Telemedicine and TeleRadiology. She has several years of hands on Operations experience in the work flow of TeleRadiology operations and can cover all aspects of the process from start to finish. Experience with setting up of Telemedicine models in under served, poorly resourced areas of Africa. Also has a keen understanding of the development stages and implementation of Telemedicine based Software. In her highly international role, she splits her time between India and the USA putting companies and partnerships together.