Distinguished Prof. Yahya Rahmat-Samii delivered a plenary speech entitled, “Two Recent Grand Challenges in Engineering: (i) Bio-Telemetry in Modern Healthcare Systems, and (ii) Nano-Structures for Solar Cell Energy Absorption Enchantment” at 2016 IEEE International Conference on Wireless Information Technology and Systems (ICWITS) and Applied Computational Electromagnetics Society (ACES) held in Honolulu, Hawaii, March 13-17, 2016. The topics of Prof. Rahmat-Samii’s plenary talk were in line with the National Academy of Engineering (NAE) fourteen grand challenges.