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The 5 Star Team at Keller Williams

The 5 Star Team is one of the premiere real estate teams in the East Bay Area.

We help buyers and sellers achieve their real estate goals. People look to us when they need expert advice and guidance when buying or selling a home. Or when...

  • They're unsure about how much their home is worth in today's changing market.
  • They need help buying a new home before selling another but don't know where to start.
  • They're committed to buying a home but don't know where to start.
  • They're striving to get top dollar for their current home.

What we do...

  • Provide information so clients can make the right choices with confidence.
  • Aggressively market homes to achieve top dollar for our sellers.
  • Expertly negotiate contracts on behalf of our clients to get them what they want.

How are we different?

  • We're responsive. Your time is valuable. We respond to requests quickly and accurately.
  • We're a business. Expect impeccable customer service from our team.
  • We know the market. As one of the top producing teams in the area, we understand what's happening and how it affects you.
Featured Agents

Renee DeWeese


DRE# 01968879

Renee is a licensed Realtor, local business owner and mom of three. She lives in Walnut Creek with her husband Brendan Moran, three kids and two cats. When Renee isn't selling homes, she's running the Performing Academy, one of the leading performing arts academies in the Bay Area.

Marci Greenfield


DRE# #01959373

Marci Greenfield is an east coast transplant whose passion is helping facilitate the purchase or sale of real estate for her clients. She has lived in California for over 14 years and currently resides in Lafayette with her husband, two children, and rescue dog “Kona.” Before beginning her real estate career Marci was a successful chiropractor in New York City. Her specialty was prenatal and family care. Her nurturing personality helps put her real estate clients at ease. Being an independent businesswoman in one of the toughest cities in the world provided invaluable business and “life” experience which translates to effective management of all aspects of the real estate transaction. She is responsive, patient with clients who need ‘hand holding’, detail oriented, focused, proactive in issue resolution, and an intelligent negotiator. She strongly believes in giving back. She was a volunteer at the Berkeley animal shelter and serves meals to homeless families during the holidays. After each closing she makes a donation in honor of her clients. Some of the charities include: The Humane Society International, St Jude’s Children’s Hospital, International Fund for Animal Welfare, and the MS Society. When she’s not hosting an open house you can find her on the Lafayette Little League bleachers watching her son play baseball while her husband coaches, walking Kona, or reading with her daughter.

Brendan Moran

Broker Associate

DRE# 01893322

Brendan lives in Walnut Creek with his wife Renee and three children. He’s a licensed real estate broker and investor and he represents buyers and sellers with the highest standard of excellence. Brendan is an active member of the Contra Costa Association of Realtors and the community. He's a commissioner with the city of Walnut Creek and he also hosts the award winning news magazine show ‘Creek Currents’ for Walnut Creek TV.

Michael O'Rourke


DRE# 01840197

Michael O’Rourke is a local Realtor with The 5 Star Team and Keller Williams Realty. Our team understands that buying or selling a home is more than just a transaction. That’s why our highly-seasoned team of real estate professionals are dedicated to providing exceptional and 5 star client services. We take great pride in the relationships we build and always work relentlessly on our client’s behalf to help achieve their real estate goals. In today's market, buyers need a trusted resource that can guide them through a real estate transaction and achieve the goal of buying a home! With our extensive knowledge of local neighborhoods and advanced real estate technology, we are committed to providing only the best possible customer service experience for our clients.

Mark Rosenberg


DRE# DRE#01953143

Mark lives in San Ramon with his wife and two children. His career in real estate includes owning and managing a large property management company and helping people buy and sell homes for the past 10 years. Mark is active in his community and enjoys coaching his children’s sports teams in his spare time.

Lori Shieler

Director of Operations


Lori is a licensed realtor and a native east bay resident. She lives with her husband David in Livermore CA. In her spare time she enjoys spending time with her family and trips to the coast or mountain lake.