JLL enhances global real estate services with key executive hire Alex M. Diaz

CHICAGO, April 10, 2026 – JLL, a leading global commercial real estate services firm, named Alex M. Diaz as President, Enterprise Portfolio Solutions. This newly created role reflects JLL's strategic evolution to better serve the world's largest occupier clients through enhanced integration across service lines, addressing the growing market demand for comprehensive, unified real estate solutions.

In his role, Diaz will lead JLL's enterprise client strategy by combining elements of brokerage, transaction management, and advisory capabilities into integrated offerings. Reporting to Karen Brennan, CEO, Leasing Advisory, he will coordinate pursuit teams and match specific expertise from across JLL's Leasing Advisory and Real Estate Management Services departments to client needs. Working closely with regional and global leadership, Diaz will develop cross-functional strategies that leverage JLL's global platform, cutting-edge technology, and comprehensive capabilities to create greater value for occupiers seeking consolidated services and enhanced value propositions across their global portfolios.

"We are naming Alex to this role at a pivotal time as we advance our enterprise client strategy to better reflect the transformation in how the world's largest occupiers approach real estate decisions," said Brennan. "His extensive background in corporate real estate outsourcing and proven track record of building integrated solutions for global clients will be instrumental as we deliver more dynamic, comprehensive services that present the best of JLL's capabilities to our clients."

The appointment comes as real estate clients are increasingly seeking offerings that provide end-to-end solutions, leveraging scale and technology to optimize portfolio performance. JLL’s holistic approach positions the company to meet these evolving behaviors while improving competitive offerings in the market.

“This appointment reflects our commitment to delivering integrated portfolio solutions that combine Real Estate Management Services’ global operational capabilities with the deep market expertise of our broker network. Alex's leadership will be instrumental in helping us meet the evolving needs of our most strategic enterprise clients," said Jessica Pernicone, Head of Sales, Real Estate Management Services.

"I'm excited to champion JLL’s integrated approach in a dynamic market where client needs continue to evolve," said Diaz. "Organizations today require flexible, comprehensive real estate solutions that optimize their portfolio, drive strategic value, and enhance workplace performance. JLL's commitment to delivering unified capabilities positions us uniquely to meet these demands, turning challenges into opportunities for growth across our clients’ diverse industries and markets."

Before joining JLL, Diaz served as Global Head of Integrated Portfolio Management Growth and Strategy at Cushman & Wakefield, where he built data-driven strategies for corporate clients and developed frameworks for delivering globally consistent outcomes. His expertise spans building complex solutions through client-centric, results-oriented approaches that leverage strategic foresight and analytics.

Diaz earned an MBA from Florida International University and a bachelor's degree from The Ohio State University. He is fluent in both English and Spanish.

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