IBE Consulting Engineers, an MEP (mechanical, electrical, and plumbing) engineering and sustainable design firm, has promoted four staff members and added one to its team in its Los Angeles office. The appointments include one new principal to the IBE leadership ranks, William “Hank” Dahl, Jr., who was promoted from senior associate. The internal promotions also include three new associates: mechanical engineer Qing “Carol” Li, PE, LEED AP; electrical engineer Henrik Hertz; and plumbing engineer Teofilo “Teng” Ernesto Yadao, EIT.

Dahl has 35 years of electrical engineering design experience gained from working on large-scale medical and medical research lab facilities, museums, entertainment industry projects, and office buildings.

Prior to joining IBE in 2006, Dahl collaborated with IBE on the MEP design for the Taubman Museum of Art in Roanoke, VA and the Getty Villa Renovation in Malibu, CA.

Since new associate Henrik Hertz joined IBE in 2010, his electrical engineering designs have contributed to a variety of projects, including the Natural History Museum of Los Angeles; Huntington Library Entry and Visitor Center, San Marino, CA; and numerous projects at UCLA. Hertz holds a Bachelor’s degree in electrical engineering from the Engineering College of Copenhagen in Denmark.

As a lead plumbing engineer, associate Teng Yadao uses 3D-modeling software to design the plumbing system layouts for IBE projects. Since joining the firm in 2007, his project portfolio includes Anna Head West Student Housing at University of California, Berkeley; 9900 Wilshire in Beverly Hills, CA; and Porterville Courthouse in Porterville, CA. Yadao holds a Bachelor of Science degree in Mechanical Engineering from the Mapua Institute of Technology in Manila, Philippines, and is a certified Engineer-in-Training.

Associate Carol Li, PE, LEED AP, who joined IBE in 2007, has more than 20 years of international mechanical engineering experience. In addition to designing various mechanical systems such as radiant, air volume control, and displacement systems, she performs the energy simulation models for IBE projects and prepares LEED submittals. Her portfolio at IBE includes the College of the Desert Classroom Building in Palm Springs, CA; Westmont College in Santa Barbara, CA; and several projects at UCLA. Li holds both Bachelor of Engineering and Master of Engineering degrees from Xian Jiaotong University in Xian, China. She also holds a Graduate Certificate of Fire Safety Engineering from the Victoria University of Technology in Melbourne, Australia.