Director of Building Innovations, Sidewalk Labs
Karim Khalifa is director of building innovations for Sidewalk Labs, an Alphabet company that reimagines cities to improve quality of life. At Sidewalk, Karim develops new approaches to building construction, design, and materials — from modular assembly to tall timber structures — with an aim to reduce costs and carbon emissions while increasing flexibility and sustainability.
Karim has spent his career in the design and construction world, most recently leading the global hotel innovation and design team at Marriott, where he launched the company’s first innovation lab/collaborative design space (The Underground). While at Marriott, he also led the LEED Volume Build program for hotels and launched Marriott’s global modular construction initiative.
Prior to joining Marriott, Karim managed Parsons Corporation’s South American engineering practice in Lima, Peru, and earlier worked in Bechtel’s power and water resource group in the U.S. and overseas.