Speakers &
Session Leads

Nikki Greenberg
World-leading Futurist
Making organizations future-ready
Nikki Greenberg is a world-leading futurist and innovation strategist, focussed on preparing organizations for a tech-enabled future. She helps leaders reimagine their businesses to bring them into alignment with the increasingly digitized way that people live, work and communicate today. She has held leadership positions with Fortune 500’s, and most recently served as the Head of Technology Strategy at QIC, an Australian investment manager with a $70 Billion portfolio of assets under management.
She is the founder and global ambassador of Women in PropTech and former three-term co-chair of the Technology & Innovation Council for ULI in New York City. Holding Master degrees in both Architecture and Commerce, Nikki’s approach brings a balance between pushing possibilities, and practicality. Nikki is a highly regarded thought-leader, frequent speaker at leading global conferences, commentator in the press, and recipient of numerous international awards.
Liz Gehringer
President & Chief Operating Officer
Coldwell Banker
Liz Gehringer is chief operating officer at Coldwell Banker® overseeing a franchise network of more than 1,400 affiliated company offices in the U.S. and 860 international operating companies, including growth, field service, talent attraction, as well as the international and Coldwell Banker Commercial® operations. Gehringer is a proponent of the Coldwell Banker Inclusive Ownership program and is the leading voice for the Coldwell Banker What Moves Her program. She is the executive sponsor of Realogy’s women’s employee resource group and the International Luxury Alliance. In 2021, Gehringer was named a RISMedia NewsMaker recipient.


Dan Spiegel
Managing Director
Coldwell Banker Commercial
Dan leads the Coldwell Banker Commercial network and oversees the strategy implementation and daily operations of the brand, one of the most recognized in the real estate industry with over 3,000 commercial real estate professionals in over 500 markets in North America and around the world. Passionate about people and adaptation to change, he frequently writes on the topic of the intersection of technology and real estate and is active in organizations such as ULI and the CRE technology community. But, no matter which hat he is wearing, his goal is simple – to build a strong connection with people and work with them to achieve desired business outcomes.
David Marine
Chief Marketing Officer
Coldwell Banker
As the chief marketing officer for Coldwell Banker®, David does more than just market the longest running residential real estate brand in the industry. With over 20 years of digital, content and social marketing experience, he’s obsessed with telling the story of the brand in ways that can’t be ignored. In addition to developing the highest rated ad ever in the real estate category and leading the first Coldwell Banker rebrand in nearly half a century, David leads a team of diverse, thought-provoking marketers to reshape a brand that has existed for 115 years. While CMO by day, David trains four young padawans at night in raising four boys with his wife, Wonder Woman.
