Sonia El-Sherif

Chief of Staff


As Chief of Staff for JLL Spark, Sonia develops and monitors critical business metrics that provide actionable information to the JLLT senior leadership, JLL Executives and Board. She drives operational efficiency and repeatability throughout Spark. She serves as a highly visible strategic partner, focusing on long-term planning and projects to ensure the growth of the organization and the success of the Managing Partner.  

Prior to joining Spark, Sonia worked at JLL specializing in tenant representation on both a local and global level. She utilized JLL’s best-in-class technology platform to find creative solutions to meet her clients’ unique needs. Her responsibilities included technology platform management, global market analysis, lease and sale negotiations, client portfolio optimization, as well as all disposition and acquisition activity.

Prior to JLL, she worked at WBT selling into the industrial, construction, and data center markets. She managed revenue streams for six states by establishing sales targets, deployment strategies, and go-to-market initiatives.