Jennifer Gruenwald
RN; Cosmetologist
Deanne Dunder
Nurse Injector

Cosmetologist 1992-present with completion of her education at Martin's School of Hair Design. 


Registered nurse 2007-present. 

Jenn is a registered nurse and has worked most of her career in Emergency Medicine starting as an EMT and highering her education to RN.  Working in local ER's UC's and race track.

Jenn enjoys working with men and women alike to achieve their aesthetic goals.  Jenn offers a variety of services to her clients while always paying close attention to safety and quality. 


All services are performed in collaboration with our medical director, Dr. Tracy Geiger.  Jenn specializes in laser treatments for face and body (IPL and ResurFx).  She also performs Botox injections. 


Jenn's goal is to build a lifelong relationship with her patients and be a trusted resource that patients can count on when it comes to their skin care need as well as making them look as good as they feel on the inside.

Deanne is a certified Family Nurse Practitioner and for the majority of her professional career she has worked in Women's Health. 


She enjoys working with women to help them achieve their health and aesthetic goals. 


Deanne offers a variety of services that provides her patients natural looking results focusing on safety, quality, and detail. 


Deanne performs all her services in collaboration with our Medical Director, Dr. Tracy Geiger.  Please call and make an appointment for a consultation to discuss your health and aesthetic goals. 

Maggie loves bringing her knowledge and passion for skin care to Luminous. With a background education in biology and chemistry as well as a graduate of Aveda IBW in Milwaukee, she loves to focus on creating a personalized treatment plan for each and everyone of her clients.


Her goal at Luminous is to educate her clients on their concerns to better help them achieve radiant skin. She believes everyone deserves to feel happy and confident in their skin, which is a reason why she entered aesthetics in the first place.


She has also continued to train in advanced modalities including lasering, dermaplaning, and chemical peels, all of which allow her to further customise each treatment.


Outside the spa, Maggie enjoys playing with her goldendoodle, Penelope. She loves to explore the beautiful town of Cedarburg by walking along the river or trying out one of the many wineries.

Maggie Kieser

Licensed Medical Aesthetician

Andrea Schraith
PA; Certified Laser Technician

Andrea is a certified laser technician who has worked at Luminous since it's inception. 


She prides herself in providing a comfortable, safe, and relaxing environment for all of her clients. 


She enjoys working with male and female clients to help them achieve their esthetic goals. 


She as a passion for health and wellness and helping clients achieve the best versions in various medical specialties.  

In her spare time, Andrea enjoys spending time with her family and participating in outdoor activities.

Tracy M Geiger, MD

Medical Director

Dr. Geiger is a Board-Certified Physician with a depth of interest and experience in dermatology, injectables, and Laser therapies.

He received his medical degrees through the Medical College of Wisconsin and completed residency through the University of Wisconsin where he served as Chief Resident. 

Dr. Geiger has broad experience and interest in primary care for all ages, urgent care, and geriatric care.