Dedicated experts with a proven record of success.



Inspired by human connection and integrity, SP Group creates extraordinary, purposeful and beneficial experiences for their clients.

SP Group is a well-respected Bay Area real estate presence that provides absolute advocacy for their clients. With a combined 30 years of experience across the industry, founding members Derek Schreiber and Gillian Pontes have fostered invaluable relationships within the real estate community. Their innate familiarity of San Francisco’s unique landscape combined with a fresh approach that embraces technology and innovation, SP Group confidently navigates clients through one of the most distinctive real estate markets in the world.

With an enthusiastic and down-to-earth style, Derek and Gillian set the tone for the relationships they build with clients and colleagues alike. With a background in marketing and project management, Derek brings the instrumental ability to effectively mediate a wide range of client, and business, focused objectives. Gillian’s complimentary expertise in marketing and advertising reinforce their commitment to present a comprehensive style that includes sophisticated marketing strategies and personalization for an experience that is on par with the rapid pace of their clients’ lives.

Leveraging their passion and knowledge, this dynamic team provides an environment that inspires creative solutions, yielding real estate success stories for their clients. SP Group works with buyers, sellers, investors and developers in San Francisco from novices to real estate authorities, and everyone in between. By treating clients and team members like family, SP Group has built a thriving real estate business geared toward achieving success for their clients, team and business.

Derek Schreiber   Principal 415.385.1827

Derek Schreiber

Gillian Pontes   Principal 415.710.4841

Gillian Pontes


Office Team

Dedicated team behind the scenes delivering superior results year after year.

Daniel Lunghi  Photographer

Daniel Lunghi

Dan Haiek  Social Marketing Strategist

Dan Haiek
Social Marketing Strategist

Karen Harvey  Office Manager

Karen Harvey
Office Manager

Karry Kelley  Transaction Coordinator

Karry Kelley
Transaction Coordinator


Brokerage Leadership

Founded in 1978, Zephyr Real Estate is San Francisco’s largest boutique real estate firm with nearly $2.3 billion in gross sales and a current roster of more than 300 full-time agents. Zephyr’s highly-visited website has earned two web design awards, including the prestigious Interactive Media Award. Zephyr Real Estate is a member of the international relocation network, Leading Real Estate Companies of the World; the luxury real estate network, Who’s Who in Luxury Real Estate; global luxury affiliate, Mayfair International; the local luxury marketing association, the Luxury Marketing Council of San Francisco; and the regional luxury real estate affiliation, the Artisan Group. Zephyr has eight locations across San Francisco, Marin and San Mateo County and two brokerage affiliates in Sonoma County, all strategically positioned to serve a large customer base throughout the San Francisco Bay Area. For more information, visit