We're a passionate team of engineers, real-estate professionals and business people making it easier to find a great place to live.

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Leadership Team
Ori Allon
Ori Allon
Founder & Executive Chairman
Ori Allon believes that you have to think big in order to create big impact. This ethos, as well as his determination to bring change through tech, motivated him to co-found Compass. Ori's background working in technology includes serving as Director of Engineering at Twitter, founding Julpan which was acquired by Twitter, and founding Orion which was acquired by Google. His passion lies within empowering entrepreneurs to make impact through technology. Ori earned his PhD in computer science at the University of New South Wales in Sydney, Australia.
Robert Reffkin
Robert Reffkin
Founder & CEO
Robert Reffkin is an entrepreneur on a mission to help everyone find their place in the world. He was inspired to enter the world of real estate by his mother, Ruth, a longtime agent who now proudly works at Compass. Robert completed a B.A. and M.B.A. from Columbia University and worked at McKinsey, Goldman Sachs, and as a White House Fellow. He ran 50 marathons in 50 states to raise $1 million dollars for charities — including for America Needs You, the non-profit he founded to serve young people living below the poverty line who are the first in their families to go to college. Robert lives in NYC with his wife Benis and their three children.
Kristen Ankerbrandt
Kristen Ankerbrandt
Chief Financial Officer
Kristen has nearly 20 years of global experience across the technology and media sectors, with expertise in software and tech-enabled services. As Chief Financial Officer, she oversees strategic and operational finance, acquisitions, partnerships, investor relations and the new development team. Prior to joining Compass, Kristen spent 12 years at The Carlyle Group where she led technology & business services investments for Carlyle’s $18.5 billion fund and oversaw the firm’s investments in a number of premier technology companies globally. Prior to Carlyle, Kristen worked at Goldman Sachs in the Investment Banking Division where she focused on technology, media and communications transactions. Kristen holds a BA in Economics from Columbia University and an MBA from Harvard Business School.
Joseph Sirosh
Joseph Sirosh
Chief Technology Officer
Joseph is a technologist with a passion for AI. As Chief Technology Officer, he leads the development of the real estate industry’s first end-to-end platform and oversees the engineering team. Most recently, Joseph served as Microsoft’s Chief Technology Officer for AI. During his tenure, he held product and engineering responsibility for all enterprise database, big data and machine learning products, with 1,700+ engineers. Prior to Microsoft, Joseph spent nine years as a VP at Amazon where he managed the Global Inventory Platform for Amazon’s Consumer Business, and built the machine learning and Transaction Risk Management teams. Joseph holds a PhD in Neural Networks from the University of Texas at Austin.
Greg Hart
Greg Hart
Chief Product Officer
Greg Hart is a hi-tech leader with 20+ years experience at Amazon in all aspects of product development, product and general management, marketing, content and e-commerce. He has a demonstrated track record leading and innovating in successively larger and more complex roles, spanning positions ranging from marketing in Amazon's early days, to product management in Amazon's media businesses, to general management of billion-dollar retail businesses, to building and launching innovative new products and services (Amazon Echo & Alexa), to leading worldwide Prime Video. Greg has extensive experience building and managing large, globally distributed teams comprising business line leaders, marketers, product managers, UX designers, engineers, machine learning and speech scientists. He holds 57 issued patents with additional patent submissions pending. Past roles include Technical Advisor to Amazon CEO Jeff Bezos.
Margaret Smith
Margaret Smith
Interim Chief People Officer
Prior to Compass Margaret was a founding member of Rich Talent Group, a leading SF-based executive search and advisory firm focused on consumer growth technology companies. During her 4 years at RTG, she successfully built executive leadership teams at leading high-growth companies including Airbnb, Dropbox, and Uber. Margaret also partnered with many Silicon Valley venture capital firms to advise their talent portfolios. Prior, Margaret was part of Russell Reynold's Consumer Digital & Media Practice.
Rob Lehman
Rob Lehman
Chief Business Officer
Rob joined Compass from management consulting at McKinsey & Company in New York City, where he was primarily focused on devising growth strategies in legacy industries through technology and data innovations. Rob has been named one of Forbes 30 Under 30, was ranked #27 on the T360 list of the 200 most influential people in residential real estate, and graduated summa cum laude from Duke University. Outside of work, Rob has worked on social enterprise initiatives on every continent, with a passion for public private partnerships to drive poverty alleviation.
Brad Serwin
Brad Serwin
General Counsel
As a senior global legal executive, Brad possesses more than three decades of experience enabling both fast-growing and established companies to scale and achieve business goals. Most recently, Brad served as General Counsel of Glassdoor, where he prepared the company to go public and then, instead, led the company’s 2018 acquisition by Recruit Holdings. Brad has worked in senior leadership roles at successful public companies such as eBay and Ticketmaster and practiced corporate and securities law for nine years prior to moving in-house.
Independent Board Members
Eileen Murray
Eileen Murray
Board Member
Eileen Murray is the former Co-Chief Executive Officer of Bridgewater Associates, where she designed and led the execution of an innovative tri-party outsourcing model for all Bridgewater clearance and settlement functions in partnership with BNY Mellon and Northern Trust, and established the firm’s Diversity and Inclusion Council. Prior to Bridgewater, Eileen held senior leadership roles at Morgan Stanley and Credit Suisse, including serving on both firms’ management and executive committees. Since 2016, she has served on the Board of Governors for the Financial Industry Regulatory Authority (FINRA). She was also appointed as the first woman on Credit Suisse’s executive board. She's been named one of the 20 Most Powerful Women in Banking and one of the 50 Leading Women in the Hedge Fund Industry, and received the Pioneer Award in Finance from the United Nations. Eileen is a recognized leader in philanthropy and service and has been named an Afterschool Champion by the Partnership for Afterschool Education and has been given the YMCA of Greater New York’s Arts and Letters Award for Outstanding Leadership.
Pamela Thomas-Graham
Pamela Thomas-Graham
Board Member
Pamela Thomas-Graham began her career at McKinsey & Company where she became the first African-American woman to make partner. In her career Thomas-Graham has served as Chief Marketing Officer and on the executive board at Credit Suisse, Group President Liz Claiborne, and President and Chief Executive Officer of both CNBC Television and CNBC.com. Currently, she serves as Lead Independent Director on the board of the Clorox Company, and is a board member of Peloton, Bank of N.T. Butterfield & Son, and Norwegian Cruise Lines.