Grace Tobin
B.S. E.E.
University of Hawaii,
Grace has been an electrical engineer at Notkin Hawaii since 2014.  Her experience includes
the design and consultation of power, lighting, and fire alarm systems.  She has worked on a
variety of projects which include high-rise condominiums, retail, hospitality, education,
assembly, and other residential facilities.  
Project Engineers
Project Engineers
Erin uses her architecture and architectural engineering degrees in combination to deliver
cohesive, energy efficient, and sustainable designs. Her expertise includes energy
modeling, Revit, and LEED calculations in the mechanical HVAC industry. She has worked on
a variety of buildings including commercial high rise, residential high rise, historic
renovation, stadium design, theatre/auditorium design, K-12 renovations, university campus
facilities, restaurants, and laboratory designs.
Erin Hubl, EIT, LEED AP BD+C
B.S.A.E. / B.S.E.D.
University of Wyoming
Laramie, WY
University of Colorado
Boulder, CO
T.J., graduated from the University of Hawaii, Manoa with a degree in mechanical
engineering.  At the University of Hawaii, Manoa, he successfully repurposed a Dodge
Caravan into an electric vehicle.  T. J. looks to continue collaborating with fellow
engineers on making skilled designs.
Thomas Jr. Watanabe
University of Hawaii,