With 75 years of combined experience, The Newton Group is dedicated to providing Tucson homebuyers and sellers with exceptional, personalized service throughout the entire process. As a referral-based team, we rely entirely on the satisfaction of our clients and aim to foster trustworthy, long-lasting relationships with each client.
The Power of Teamwork
Exemplary teamwork is the foundation of our culture and service to you. Inspiring creativity and productivity through the power of a collective team effort, we deliver the best possible experience to you and your family.
Focus on Service
Unprecedented service is our ultimate goal because ‘satisfaction’ is simply not enough. By exceeding your expectations and cultivating our relationship throughout the buying or selling process, we can fulfill your real estate needs.

DENISE NEWTON
PARTNER / ASSOCIATE BROKER
520.977.5577 | denise@thenewtongroupaz.com
As an Associate Broker and Partner of Realty Executives Arizona Territory, Denise puts her 26 years of experience as a licensed real estate professional into each and every transaction to create the best customer experience for her clients. Denise is committed to developing a deep understanding of her client’s needs because she understands that buying or selling property is often their biggest investment. Denise prioritizes each clients’ best interests and educates them on all facets of the buying/selling process to help navigate toward the best outcome. As a referral-based team, Denise relies entirely on the satisfaction of her clients and aims to foster trustworthy, long-lasting relationships with each referral. With Denise and The Newton Group, your experience will be exceptional every step of the way home.

Sharon Hildebrand
ASSOCIATE BROKER
520.977.4852 | sharon@thenewtongroupaz.com
Sharon has been in real estate since 1992 and moved to Associate Broker of Realty Executives in 1995. There is no real estate situation too complicated for Sharon. She brings a depth of experience and calm demeanor to each transaction and her no-nonsense approach enriches the customer experience. A member of the business community since 1980, Sharon has built a network of loyal customers and continual referral sources. Sharon is a pivotal player and proven leader in The Newton Group.

Kristen Mammana
REAL ESTATE PROFESSIONAL
520.981.2892 | kristen.mammana@thenewtongroupaz.com
Kristen has been serving real estate buyers and sellers for 19 years. She has a dedication to customer care that is unparalleled and has the ability to adapt to unique situations and customer needs. Kristen also has a way of building client confidence in the buying and selling process that is critical to a seamless, successful outcome. Kristen has a lively spirit with strong negotiating skills and offers flexibility and personalized service to our clients. Kristen is an intricate part of The Newton Group and looks forward to working with you.

Alicia Martinez
ADMINISTRATIVE ASSISTANT MANAGER
520.628.0688 | alicia@thenewtongroupaz.com
Alicia is a native of Cheyenne, Wyoming and moved to Arizona in 1999 with her family. Alicia is a natural born entrepreneur and has spent over 20 years as a small business owner. Through her experience founding multiple businesses, Alicia has developed an unprecedented work ethic. Alicia’s expertise includes assisting agents and providing high-quality service to everyone she encounters. Alicia prides herself on her ability to adapt to the ever-changing priorities that evolve within the day. She has supreme attention to detail and her dedication to her career sets her apart from the rest.

Tessa Johnson
MARKETING SPECIALIST
520.409.7583 | tessa@thenewtongroupaz.com
Tessa has worked as a marketing & graphic design professional, both in-house for Tucson’s largest commercial real estate brokerage firm, and as a freelancer for multiple organizations. She graduated from the University of Arizona in 2018 with a degree in General Studies with a business concentration and a minor in Marketing from Eller College of Management. Tessa is a strong communicator that is detail oriented and organized. Her expertise includes property brochures, flyers, presentations, and social media content. She has the ability to showcase client properties by emphasizing their unique characteristics and charm. Tessa’s critical thinking, sound judgment and problem-solving skills help The Newton Group better meet client needs.