About the Authors

Dhanush Balachandran has a vast experience in creating mobile apps for healthcare industry that include several ResearchKit apps. He was the lead iOS engineer at Jiff, a healthcare start-up and later worked on ResearchKit-based apps for leading institutions. Currently, he is an iOS engineer at DJI. He is also the founder & CEO of mobile app startup, Sortly.

Edward Cessna is the software engineering director for Y Media Labs, a digital agency in Northern California that creates mobile applications. He has three decades of software engineering experience—ranging from embedded software providing cryptographic services to a multitude of iOS applications. He has been working with iOS since its first public release in July 2008. He has managed the development effort for a number of ResearchKit-based applications for leading research institutions.