HLTA EAC Board Members

Chairperson – Eric Au, Marriott International
As the Area Director of Engineering at Marriott International – Hawaii & French Polynesia, Eric Au provides the direction and leadership in the field of engineering and construction at Marriott branded Hotels and Resort’s 20 properties throughout the state of Hawaii and in French Polynesia. Throughout his tenure at Marriott, Eric has guided his teams toward building consistency through the Marriott brands and is very passionate about bringing a higher level of sustainability to the hotel properties through Marriott’s corporate sustainability initiative (reduce water intensity by 15%, carbon intensity by 30%, and waste to landfill by 45% by the year 2025) throughout the region. In all, Eric has worked for 28 years in the field with 12 years of experience in the petrochemical and energy industry designing and implementing process control systems, managing large capital projects, and driving productivity and efficiencies within operations. Locally born and raised in Honolulu, Hawaii, Eric received his Bachelor of Science degree in Physics and Electrical Engineering, with a minor in Mathematics from Oregon State University. Additionally, Eric has achieved Certified Energy Manager (CEM) and Certified Demand-Side Management Professional (CDSM) status to help further promote energy efficiencies and educational support throughout our Hawaiian Islands.

Eric currently serves on the board of directors of the Association of Energy Engineers (AEE), Hawaii Chapter as the Executive Vice President and Vice President of Oahu. Additionally, he is an active member serving on the following boards: Board of directors of the Hawaii Lodging Tourism Association (HLTA), Engineering Advisory Committee as the Vice Chairman, Honolulu Board of Water Supply Stakeholder Advisory Group, and member of the Hawai‘i Green Growth (HGG) Statewide Measures Group for the Aloha+ Challenge Dashboard.


Vice Chair – Harzali Hashim, Sheraton Waikiki Resort
Harzali Hashim is Director of Engineering at the Sheraton Waikiki and has been in this role since April of 2015. He is responsible for the day-to-day operations of the engineering department which consists of 63 associates, managing the annual capital projects at the property, and coordinating sustainability efforts across the various departments at the hotel. Prior to this, he was Director of Engineering at the Moana Surfrider, A Westin Resort & Spa from 2005 to 2015. Before joining the hospitality industry Harzali was an Electrical Engineering for (WSP) Lincolne Scott across locations in New Zealand, Australia, and lastly in Honolulu, Hawaii.


Treasurer – Stephen Weldon, Hyatt Place Waikiki Beach
Stephen WeldonStephen is a 19 year veteran of the hospitality industry with previous experience in general contracting. Beginning his career in the construction industry, Stephen has worked for various contractors in New York, Philadelphia, and Massachusetts before founding Weldon Construction, a general contracting firm providing commercial and residential services throughout the greater Boston area. Upon relocating to Hawaii, Stephen began his hotel career at the Hyatt Regency Waikiki, where he had the opportunity to oversee multiple capital projects including guestroom and public area renovations, HVAC and mechanical upgrades, and the implementation of guest request/ preventative maintenance software. As well, Stephen served as Chairman of the Green Team, a committee whose efforts were recognized by Energy Star and Hawaii Green Business.

Upon joining Sightline Hospitality (previously known as Kokua Hospitality) in 2011, Stephen guided the operation team through a 45 million dollar renovation and rebranding of the now Hyatt Place Waikiki Beach. The hotel successfully underwent a complete renovation of 426 guestrooms, kitchens, dining facilities, and public areas. Currently, Stephen is overseeing other Sightline managed properties in Hawaii, California, New York, and Cleveland, as they are presently completing different phases of restoration and renovation.

Stephen is a graduate of Saint Joseph’s University in Philadelphia and has completed Hyatt’s Corporate Management Training program at the Hyatt Regency Waikiki. Stephen has also received his Building Operator’s Certification from the University of Hawaii and currently serves on the Board of Directors for Hawaii’s Engineering Advisory Council, a division of the Hawaii Lodging and Tourism Association.


Secretary – Calvin Vick, Ritz-Carlton Residences, Waikiki Beach
CAlvin VickCalvin comes to us as an experienced Director of Engineering and Security working at the Ritz-Carlton Residences, Waikiki Beach with over 32 years as a DOE. He has worked with Marriott for the past 6 years opening the JW Marriott Parq Hotel & Casino, the Douglas (Autograph) Hotel, and the Delta Toronto. He currently serves on the Marriott Engineering Business Council representing the Hawaiian Islands under the direction of Eric Au. Calvin served our country as a US Marine and in the Army National Guard. He is originally from Kansas City, Missouri where he started his career as an electrician in the Radisson Hotel Muehlebach and progressively worked his way up in the Radisson Hotels International organization for 22 years. Being from Kansas City of course he is an avid Chiefs fan. His career has literally taken him to many parts of the globe as he has worked as an expat in Aruba, Jamaica, Culebra, Japan, and Canada. Calvin is passionate about developing his team and takes great pride in seeing them exceed and grow to new heights! He hopes to bring this passion of development as well as his many years of experience to help build a stronger HLTA Engineering Advisory Council and to offer assistance to others where needed in our organization.


At Large Director – Bert Takahashi, Sheraton Waikiki Resort


At Large Director – Craig Matsuura, Aqua-Aston Hospitality
Craig was born in Honolulu. He gained his formal education locally and attended the US Military College and he graduated from the University of Hawaii with a degree in Marine Science Engineering.

Craig is a former Vietnam War Veteran & Air National Guardsman. Most of his working career has been with the University of Hawaii and numerous hotels. Some of those prestigious hotels were Aston Hotels, Castle Resorts, Marc Resorts. Presently, Craig is an area director of facilities for the Aqua-Aston Hospitality overseeing multiple hotels. He has grown to love the hospitality business climate for a long time and he embraces all of the travelers to ensure they experience the best vacation or business trip to the islands.

One of Craig’s specialty roles is cost-effective energy savings innovations and “permanent engineering solutions” for numerous hotels both past and present. As a project leader, he campaigned to capture 4-5 DBEDT green business recognition awards which benefit the operational expenses and allow the hotels to keep their rates more competitive. Craig is highly proud of our Green Business Awards but especially more so of the Aqua green culture that our teammate employees adopted & practice every day at work and their homes.

He strongly believes the HLTA EAC is a great conduit to share and promote engineering concepts and education. And most recently implemented to offer scholarships to other engineers is the cap. Craig encourages other hotels and building management to consider joining the EAC in that respect. Dean and Board are tireless leaders and they have his deepest respect towards their goals with redeveloping & expansion of the EAC group.


At Large Director – Chris Spencer, Royal Hawaiian Hotel


At Large Director – Derek Bacigal, Hale Koa Hotel
Director of Engineering for Hale Koa Hotel, leader of Engineering Operations, Project Management and Sustainability. Derek also serves as the President of the University of Hawai‘i West O‘ahu Facilities Management Academic Program Industry Advisory Board. Recently Derek has taken on the Role of Director of Content and Social Media for the IFMA Young Professionals.


At Large Director – Dennis Maher, Trump International Hotel™ Waikiki Beach Walk®

Currently, the Director of Facilities and Security for Trump International Hotel™ Waikiki, Maher has over 20 years in Facilities and Security Management, is President and CEO of Genus Hospitality Group Hawaii (Consulting), a member of the Board of Directors for the Home Owners Association at Trump Waikiki, Chairman of the Board of the Engineers Advisory Council for the Hawaii Lodging and Tourism Association and Vice President for the “Hawaii Hotel Visitor Industry Security Association” (HHVISA).

Maher is also very active in the community, serving as President of the Autism Society of Hawaii, is a board member of Surfers Healing Hawaii, and gives time to other organizations for those with intellectual disabilities.