About Us


Decades of Success

With 52 years of combined real estate experience, we provide expert representation and support every step of the way. 90% of our business is referral and repeat business from satisfied clients.

Our Commitment to All of Our Clients:

  • We treat everyone with unyielding respect, listening to your needs and putting them first. 
  • We guide you through the process, terminology, contingencies, and expectations. 
  • We serve as your advocates and are Certified Negotiation Experts. 
  • We keep you informed every step of the way with market updates & insights. 
  • We communicate consistently and in your preferred method to best use your time.

Jackie Syvertsen, Managing Broker

Cell: (206) 790-3600
Email: jackie@windermere.com

Jackie Syvertsen has been working with buyers and sellers as a full-time Realtor since 1989. She is passionate about the Bainbridge Island real estate industry and has the drive to get things done. Jackie effortlessly establishes partnerships with her clients and anticipates their needs at every turn. She possesses a keen eye for detail and has an unwavering commitment to her clients' goals. Their recommendations drive her referral-based business.

Originally from Seattle and a long-time resident of Bainbridge Island, Jackie offers clients extensive local expertise. She understands the nuances of both Seattle and Bainbridge Island living. When it comes to the real estate market, Jackie keeps a careful watch on market trends, and her industry knowledge and guidance benefit the buyers and sellers she represents.

Jackie thrives in the daily hustle of the industry and thoroughly enjoys when she gets to deliver keys to a client’s new home or finalize a seller’s contract. These closing moments represent the culmination of time and effort, paving the way for new adventures ahead.


Diane Sugden, Broker

Cell: (206) 355-9179
Email: DianeSugden@windermere.com

A proud local for over four decades, Diane Sugden has been serving buyers and sellers on Bainbridge Island since 2006. Diane's approach to real estate mirrors her approach to life: work hard and have fun along the way. A positive person and an out-of-the-box thinker, Diane's cup is ALWAYS half full.

Diane strongly believes in effective communication, collaboration, advocacy, and negotiation. She has a proactive mindset and is a natural nurturer and a problem-solver. If you are in need, she is here to listen and help.

Diane provides top-tier concierge real estate services, and 90% of her business is referral and repeat business from satisfied clients. In addition to being a Realtor, Diane has been an investment property owner, a commercial property owner, a homeowner, a property manager, and a developer.

Outside of work, Diane enjoys spending time with her husband and 2 grandchildren, beachcombing, gardening, traveling, and engaging in home improvement projects.


Kelsie Thurrott, Broker

Cell: (206) 380-4889

Email: kthurrott@windermere.com

Raised on Bainbridge Island, Kelsie brings a deep understanding and appreciation of island life to her work as a real estate agent. With roots that run deep in her family and a passion for building community, Kelsie is dedicated to helping others find their own sense of home in this remarkable region.

After graduating with a bachelor's degree in Applied Behavioral Sciences, Kelsie began her career in social work, where she honed her skills in counseling and problem-solving. She later accepted a promotion at the Bainbridge Athletic Club, where she oversaw membership, marketing, and youth programming. After starting a family, Kelsie left the Club to take on a more active role in managing her and her husband's island-based business, which specializes in metal fabrication for residential remodels and new construction.

With a wealth of experience in construction, home renovation, and design, Kelsie then found a career in real estate that allows her to utilize her expertise and passion for helping others. She is dedicated to providing her clients with the highest level of service, always putting their needs and well-being first. Kelsie is committed to helping her clients navigate the complex and often challenging world of real estate, ensuring that their experiences are smooth, enjoyable, and rewarding. With her expertise, professionalism, and dedication, Kelsie is well-equipped to guide you through every step of the process on your journey to finding your dream home.

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