Meet the Team

Team of Wellness Co in Zeeland, MI

Meet The Team At Wellness Co.

At Wellness Co., our goal is to lead you on your path to wellness. Our highly trained, compassionate team of doctors, nurse practitioners, chiropractors, registered nurses, estheticians, and licensed massage therapists believes in an innovative approach to mind and body. We are committed to empowering you with natural health and healing treatments to enhance your wellness and beauty.


Dr. Kelsey Prince



Doctor of Nursing, Master of Science in Nursing, Family Nurse Practitioner Board Certified

Wellness Co. co-founder Dr. Kelsey has nearly a decade of experience practicing emergency and critical care medicine, as well as outpatient services in family and integrative medicine. She strives to create engaged relationships with her patients to achieve the best possible outcomes for their personal needs. As a board-certified family nurse practitioner and with her doctor of nursing practice degree, Dr. Kelsey is an expert in regenerative medicine.

Education And Societies

Dr. Kelsey received her Bachelor of Science in nursing from Hope College and earned her Master of Science and a doctor of nursing practice from the University of Detroit Mercy. She also is a proud member and holds credentials for the following:

  • Member of the Michigan Council of Nurse Practitioners
  • Previous president of the Detroit Mercy chapter of the Michigan Council of Nurse Practitioners
  • Member of the American Association of Nurse Practitioners
  • Board certification with the American Nurses Credentialing Center as a family nurse practitioner

Founder, Doctor Of Nursing Practice

Dr. Kelsey is an advanced cosmetic injector and quickly made a name for herself in the industry with her natural and transformative portfolio. She is caring, detail-oriented and passionate about her work. Dr. Kelsey is able to help her clients achieve a natural and youthful appearance by executing a comprehensive approach, incorporating variables such as: medical-grade skincare regimens, neuromodulator, regenerative treatments such as PRP/PRF, dermal filler, sculptra, and more.

Dr. Kelsey enjoys continuing her education and attends industry conferences and trainings many times throughout the year, as a part of her commitment to the industry and her patients. She is passionate about creating partnerships with each of her patients, learning their unique needs and desires and providing exceptional outcomes – all while enjoying the ride together.

Skills And Specialties

Dr. Kelsey’s doctoral project at the University of Detroit Mercy focused on the usage of regenerative-based tissue joint injections as treatment for chronic knee pain secondary to osteoarthritis. Her clinical areas of interest and expertise also include functional (whole-body) health, hormone balance, gut health, aesthetics including skin and beauty health, intravenous therapy, and critical care medicine.


Dr. William Scott Humphrey



Doctor of Medicine, Master of Business Administration

A family medicine physician, Dr. Humphrey is the co-founder of Wellness Co. He is passionate about partnering with his patients to help them achieve their optimal health goals. He develops personalized treatment plans for patients who want to improve their health and overall wellness.

Education And Training

Dr. Humphrey obtained his undergraduate degree in physiology from the University of Arizona. He earned his medical degree from the American University of the Caribbean. He also has a Master of Business Administration in healthcare management. He completed his residency program at Western Michigan University where he met Dr. Kelsey Prince, his wife.

Skills And Specialties

Dr. Humphrey’s areas of interest include obesity medicine, assessing advanced cardiovascular risk factors, gastrointestinal health, and sexual health. In all areas of healthcare, Dr. Humphrey strives to engage in realistic plans and partnerships to optimize the health and well-being of each of his patients.


Born and raised in Tucson, AZ, Dr. Humphrey grew up visiting Michigan often. He is now thrilled to call West Michigan his home. He enjoys the outdoors, engaging in community activities, and spending time on Lake Michigan.


Kasey Felten

Physician Assistant

Kasey is a nationally certified Physician Assistant who grew up in Southeast Michigan. She attended Michigan State University for her undergrad where she dual majored in Physiology and Nutritional Science, and received honors and enjoyed her work in nanobiosensor research. She then went on to obtain her master’s degree at Trevecca Nazarene University in Nashville, Tennessee. She resides in Holland with her husband and her son. You can find her in the office Wednesday, Thursday and Fridays during normal working hours.


Dr. Ryon Bosscher

Doctor of Chiropractic

Drawn to chiropractic care by his passion for sports and an innovative approach to healing, Dr. Bosscher considers the whole patient when he works his techniques to help them regain proper function and mobility. He often incorporates soft tissue treatment and corrective exercises as well while making chiropractic adjustments. Dr. Bosscher belongs to the Michigan Association of Chiropractors and the Christian Chiropractors Association. He holds certifications in functional assessment and rehabilitation, as well as various soft tissue treatments.

Raised in Grand Rapids, Dr. Bosscher received his degree in biomedical science from Grand Valley State University before heading to St. Petersburg, FL to earn his doctorate in chiropractic care from the National University of Health Sciences. The experienced chiropractor serves as a board member for the local nonprofit The Arc Project, which helps underprivileged youth to strengthen their faith and hope as they learn the gift of surfing and water safety. Away from Wellness Co., Dr. Bosscher also has other interests, including stand-up paddleboarding, surfing, golfing, mountain biking, and photography.


Jac Majerle

Registered Nurse & Master Injector

Bachelor of Science in Nursing, Registered Nurse, Certified Laser Technician, Certified Body Contour Specialist, Aesthetic Expert, Master Injector

As a Registered Nurse, Jac is experienced in critical care, plastic surgery, and aesthetic medicine.

While living in the Detroit area, Jac had the great privilege of working alongside renowned body and facial plastic surgeons. She provided pre- intra- and post-operative nursing care assisting in numerous body and facial plastic surgical procedures. This is where she developed a deep respect, understanding, and love for facial anatomy.

While learning from the surgeons in the OR Jac also worked in the attached medspa. This is where her true passion for facial aesthetics began. While working in the medspa Jac provided various aesthetic medicine procedures; however, she excelled and now specializes in administering cosmetic injections.

Jac is forever committed to provide the safest and highest quality of results for her patients. She lives by the saying: “If you look good you feel good, and when you feel good, you do go. And that is what life is all about: being our best version of ourselves, so we can serve others and do good in the world.”

Jac is excited to be injecting at Wellness Co especially because she believes it is so important to take care of ourselves. Jac believes that Wellness Co takes that to the next level by focusing on the full person and not just stopping at facial injections. Jac is excited to provide and suggest more services to help patients take care of themselves in the best possible way.

Jac completed her Bachelor of Science in nursing at Grand Canyon University where she also had the honor of cheering at the collegiate level. In her personal time, Jac enjoys keeping up on the latest and greatest aesthetic trends, reading, being outdoors, and spending time with her daughter and husband.


Olivia Cosek

Registered Nurse & Aesthetic Injector

As a registered nurse Olivia has experience in medical surgical care, intensive care, and outpatient dialysis, and specializes in aesthetic medicine.

She has spent her time as a nurse perfecting her comprehensive assessment skills knowing this is the best way to get to know patients and determine the best outcomes for each individual person. She believes building trust with her patients also aids the best possible outcomes. Olivia’s passion for aesthetic medicine stems from the desire to feel like your best self. Understanding that when you feel your best, you perform your best!

Olivia always strives to continue her education through multiple modalities including

educational conferences, hands-on training, and online educational resources.  Olivia loves continuing education and understands the importance of knowledge to maintain safety and the best possible result for each patient.

 Olivia is from the Lansing area and is excited to join the Wellness Co. team and treat the wonderful community of West Michigan. In her free time Olivia likes to ride her peloton, travel, and spend time with her golden retriever!


Marrah DeVries

Licensed Esthetician

As a licensed aesthetician, Marrah shares her philosophy of living your best life and loving the simple beauty found within with all her clients. She also believes in an integrative approach to a healthy body by achieving great results with natural products. She incorporates the essentials your body needs and complements them with cutting-edge techniques to enhance your total skin care routine. Marrah’s experience as an aesthetician, including her formal training at aesthetician academies and continuing education courses, allows her to ensure the highest quality products at Wellness Co. are used safely and practically to produce the dream results our patients seek.

Nature is a source of inspiration for Marrah. She enjoys the outdoors and spending time with family and friends. Hiking, riding horses, fishing, hunting, and exercising are just some of the activities she enjoys when she isn’t at work. A lover of all animals who embraces the quiet country life, Marrah cares for her dogs, cats, horses, chickens, and pigs.


Brooke Terpstra

Licensed Esthetician

Brooke is a licensed aesthetician who comes to us with over 11 years of experience in medical offices performing medical-grade treatments, and she also serves as a ZO® Skin Health specialist.

Brooke grew up in Grand Rapids and graduated from Calvin Christian High School and Northwood University where she obtained a degree in fashion and marketing, working in this industry for many years before following her passion for skin health.

When Brooke is not working, she enjoys traveling with her family, attending her children’s sports events for the school, and spending time with her close friends. She has a passion for fitness and food health.


Kris Dunn

Licensed Esthetician

Kris graduated from Douglas J. Aveda Institute and has 19 years of hands-on experience performing medical esthetic treatments as a trusted esthetician.

Kris has earned many certifications over the years including multiple advanced laser treatments, microneedling, MiraDry, tattoo removal, microdermabrasion, silk peel dermal infusion, hydrafacial, medical grade chemical peels, dermaplaning, specialized facial techniques and medical grade skincare products.

Kris feels part of her success as an Esthetician, besides her true passion for it, is always working on continuing her education. She enjoys keeping up with the latest innovations and techniques in the skincare industry.

She loves meeting people and helping them feel good about themselves. Kris spends time with clients, allowing them to unwind, decompress and feel good about doing something for themselves. She is very passionate about educating clients on a treatment plan that would work best for them. She also educates clients on an at-home skincare regimen which she believes is the most important part of taking care of your skin and seeing results.

When Kris isn’t working, she loves spending time outdoors, mountain biking, hiking, kayaking, and just enjoying time with her family and 2 pups.


Katie Lowell

Katie Lowell, LMT

Massage Therapist

Katie’s passion has always been directed towards healing others through a variety of practices. With knowledge in human anatomy and kinesiology, Katie believes that the body has the ability to heal itself and she offers her knowledge through practicing medical massage. Katie focuses on reconnecting her patients with their body, both physically and mentally. She enjoys working on each individual patient offering an effective, yet relaxing massage.
Katie received her license in medical massage therapy from Irenes Myomassology Institute in 2012. She has worked in Grand Rapids hospitals and chiropractic offices giving her a wide variety of patients with all sorts of needs. Katie also has training in cupping therapy, which brings long lasting relief, increase in range of motion, and flexibility to applied areas. Katie is also certified in fascial stretch therapy.

Since, Katie has been passionate and motivated about the healing abilities that physical touch has to offer to the body.

In her free time, Katie enjoys working out, hiking, trying out local restaurants and connecting with her community.


Cortni Kubik

Certified Medical Assistant

Cortni attended Oakland Community College and graduated through the American Association of Medical Assistants in 2016. She is a former Phlebotomy technician and a Certified

Dermatology technician and has over 6 years of experience. You will find Cortni assisting around the office, as well as performing laser treatments.

In her free time, Cortni likes to explore the outdoors, take her son on walks, swim at the cottage and spend time with her family and friends.


Alley Lenard

Certified Medical Assistant

Alley graduated from Hopkins High School and just recently graduated from the Ross Medical Academy with her medical assistant license.

You’ll find Alley taking vitals, welcoming patients, and helping our providers with their day-to-day tasks. Alley is hardworking, kind, and always willing to go the extra mile.

In her free time, Alley likes to go camping, snowboarding, kayaking, and spending time with her friends and family.


Kim Hernandez

Practice Manager

Kim has been working in the medical field for 21 years and has 15 years of experience in management and billing. Outside of work, she enjoys traveling and discovering new places to visit. She also enjoys cooking and being outdoors whether it’s hiking, running or playing tennis.


Jenna Finnestad

Director of Marketing and Communications

A communications graduate of Grand Valley State University and Zeeland area native, Jenna brings a firsthand approach to communications and marketing at Wellness Co. She is often behind the scenes performing her marketing and communication duties at the Zeeland, MI office, or you can find her up front assisting our patient-experience advocates. Away from the office, Jenna’s favorite activities are coaching soccer, boating on Lake Michigan, and spending time with her friends and family.


Micah Kok

Patient Experience Advocate

With her practical knowledge and professional skills in customer service, Micah is our go-to girl at the front desk. She is passionate about helping others and doing everything she can to make your time at Wellness Co. a five-star experience. Micah strives to live a healthy lifestyle. In her spare time, she enjoys art, baking, spending time with family, and traveling.


Taylor Bell

Patient Experience Advocate

Taylor graduated from Davenport University with a degree in Applied Sciences and went to Douglas J. Aveda to become a licensed Esthetician. She has a passion for skincare and helping others!

You’ll find Taylor at the front of the office welcoming and helping patients! She can’t wait to see you walk through our doors!

In her spare time, she enjoys summer days on the lake, hanging out with friends & family, and cheering on her husband during his basketball games.


Meshelle Sihavong

Patient Experience Advocate

As a licensed cosmetologist Meshelle has a passion for helping people feel beautiful, inside and out. Her genuine kindness and great customer service ensure your experience at Wellness Co. will be delightful. Meshelle is a devoted mother and wife spending her free time chasing after her toddler and enjoying time with her family.


Hannah Ziegeler

Wellness Co. Photographer

Hannah is the woman behind the lens of HZ Photography and Wellness Co. photography. Hannah grew up in Holland, MI and has been a professional photographer for five years; however, her passion for photography dates back over a decade. Her philosophy is to focus on raw moments, encourage confidence, and have fun – all are a perfect fit at Wellness Co.

Stay In The Loop

Book A Visit

Call Now Button