McCarthy Building Cos. is expanding its national renewable energy group based in Phoenix, promoting Brenda Byers and hiring Mark Skidmore. Byers was recently promoted to director of preconstruction for the group and is now responsible for overseeing designs, collaborating with project partners and subcontractors, and maximizing preconstruction planning. Skidmore joins McCarthy as a project director after more than 14 years working in the solar industry. He also serves on the Solar Energy Engineering and Commercialization Advisory Board at ASU.

Chris Jacobsen has been promoted to vice president of the Southwest division for McCarthy Building Cos. Although he is moving back to Arizona from the company’s Southern California office, Jacobsen launched his construction career in Arizona, leading numerous hospital construction projects.
 

John Cannito has been promoted to president of PENTA Construction Group. In his new role, Cannito is responsible for carrying forward the vision set by PENTA’s founders. He and the executive team will manage company-wide operations as well as employee, client and partner relations. Cannito joined PENTA 15 years ago and previously served as chief operating officer.

Co-founder and founding president Jeff Ehret will take on the role of chief executive officer.
 

Rory Carder has been named director of workplace for the Phoenix office of Gensler. She brings more than 20 years of experience to the firm, with an emphasis on interior design and business operations. She has worked on approximately 8 million sq ft of interior projects and led multiple teams throughout every stage of the design process. Carder was previously president and managing director for DAVIS, where she helped lead the office’s growth from 12 employees to more than 40.
 

Mike Krentz has been promoted to president of DAVIS. Krentz has worked in the architecture profession for more than 27 years and has been part of the evolution of DAVIS since 1987. He has also served in leadership roles for the company in California and Texas.

In addition, Tracy Beian-Kirk has joined DAVIS as principal, director business development. Beian-Kirk brings more than three decades of business development and management experience to the company along with extensive knowledge of the design and architecture disciplines and practice. She is responsible for client and business development.

Terracon has promoted Derek D. Koller to Tucson office manager. Previously, he served as the company’s environmental department manager. Koller will continue to oversee the environmental department while also managing the office. A resident of Arizona for more than 30 years, Koller gives back to the community by securing grants from the Terracon Foundation, a nonprofit partner of Terracon that allows employees to apply for competitive grants on the behalf of organizations in its community.

Jennifer Tran has moved from the Tempe, Ariz., office of Terracon to the Avondale, Ariz., office, where she will continue her role as senior project manager and office lead. Her expertise is in geotechnical and pavement engineering and design.