Dr. Marisa Walker, DDS, Dentist

Dr. Marisa Walker grew up in Adelaide, South Australia, where she attended dental hygiene school and worked with several internationally known practitioners, including Dr. Rory Hume, Dr. Paul Abbott and Dr. Geoffrey Heithersay, whose research she helped organize, write and publish. Dr. Walker later moved to the US to attend school at the University of North Carolina at Chapel Hill, where she received a BS in Biology and a DDS from graduate dental program.

Dr. Walker moved to California in 2008, where she was an associate Dentist in Palo Alto and a clinical instructor at the Foothill College for 5 years.  Dr. Walker is invested in teaching and continues to teach in the dental hygiene clinic as well as lecture in nitrous oxide sedation and oral pathology. She will also be part of the school’s faculty as it brings the first BS in Dental Hygiene to Foothill College here in Northern California.

In 2014, Dr. Walker was honored to be chosen by Dr. Rich Jensen to carry on his practice and to welcome her own patients to the newly designed and built dental facilities on 150 Middlefield Road in Menlo Park.

Dr. Walker is a proud member of the American and Australian Dental Associations, the California Dental Association and the Mid-Peninsula Dental Society. She is on the advisory board of the dental hygiene program at Foothill College and on the New Dentist Welcoming Board of the Mid-Peninsula Dental Society. She is certified in Invisalign Clear Braces.

She is also an invited member of several dental study groups in the area, including the ITI Straumann International Study group and the Mid-Peninsula Interdisciplinary Study group, where she continues to take additional courses to stay abreast of medical findings and dental findings,  new techniques and equipment.

You can read more about Dr. Walker’s background on her LinkedIn page.


Lauren Wilson, Office Manager, Register Dental Assistant

Lauren was lucky enough to have a great orthodontist that gave her the inspiration to become a dental assistant.  She pursued her passion, went to Foothill College Dental Assisting program and graduated in 1980. Lauren has never regretted her choice. She loves what she does and knows she is making a difference.

With over 35 years of dental experience as a registered dental assistant and 23 years being an office manager, the one thing she strives to have happen with all our patients is that they always come first.

Lauren has three wonderful daughters all grown up and experiencing life. She also has the privilege of being a “Nana” to 4 amazing grandchildren and more on the way.


Leslee Hoppe, Registered Dental Hygienist

Leslee has been in the dental field for 20 years and has worked as a hygienist for 15 years and loves it! She enjoys meeting new people and seeing familiar faces when not staring at teeth. Leslee likes to spend time with her husband kids, dog and is a crazy sports fan – go Warriors and Giants!! She also enjoys camping, boating, skiing, running and just being active.


Edwin Dalida, Dental Assistant

Edwin has been in the dental field for over 22 years. He has been so fortunate to work with the late Dr Richard Jensen. With all the training, mentorship and knowledge he shared and taught him, it has given him a tremendous amount of experience and confidence to treat patients with compassion, and high quality of care.

Edwin loves spending his free time with his wife Cecille, and their three children, Sophia, Isabel and Lance doing outdoor activities.


Patricia Wood, Registered Dental Hygienist

Patty has been a dental hygienist for 39 years and still loves what she does! She’s excited to be part of the Dr. Walkers Dental family.

Patty lives in the Santa Cruz Mountains with her husband. She has two grown daughters, Sashaun and Tessa .In her spare time she plays Pickle Ball, exercises at her body combat class, snow skis, and hikes on trails near her home. She loves to travel and learn about other cultures. Her latest adventure was visiting Vietnam.

Patty is an avid sports enthusiast for all her Bay area teams. Go Niners! Go Warriors!


Cassondra Redd, Registered Dental Hygienist

Cassondra was born and raised in the lovely Bay Area of California. She has always had a strong passion for helping others as well as pursuing higher education, and realized how to fulfill both dreams by becoming a registered dental hygienist with a BS degree. She attended Foothill College, she was a proud student of Dr. Walker achieving a well-regarded Bachelor of Science degree in the field of dental hygiene upon completion of the 2yr program.

She is also a proud stepmother with 3 dogs and 2 cats who thoroughly enjoys family time and any activity outdoors.


Melissa Navarro, Registered Dental Hygienist

Melissa graduated from the dental assisting program at Foothill College in June 2020. She started interning at Dr. Walkers office and now a permanent employee. When younger, visiting the dentist always intrigued her with their passion and caring attitude to helping people. Melissa loves spending time with her family, 4 younger brothers’ ages 5-18 years old and the family dog. She enjoys being out in nature. If you have a good hike you like, let her know.