Meet our


At Skinjectables we only work with the best of the best. Our expert level injectors have decades of experience and are masters at providing natural results with gentle, precise hands.

Katie O'Brien

Founder & Clinical Director





As a Physician Assistant who has practiced both medical and aesthetic dermatology for more than 16 years, Katie’s extensive experience in “all things skin” is unrivaled.

With a background in non-surgical cosmetic treatments, which include Botox, fillers, LipoDissolve, Sculptra, and numerous laser modalities, such as SmartLipo, radiofrequency tightening, CO2 resurfacing, IPL, Katie decided to narrow her focus on what she was most passionate about: cosmetic injectables.

As an Elite Level injector, Katie brings to Skinjectables® a level of artistry and expertise that is unparalleled in the realm of Botox™ & dermal fillers. Having been a lead clinical trainer for Advanced LipoDissolve Centers, as well as Clinical Director and owner of several aesthetic clinics in the Midwest, Katie has provided advanced training and education to practitioners around the country.

Katie places great emphasis on educating her clients about the safest, most effective treatments and techniques that are both research and clinically proven.

Through ongoing, advanced clinical aesthetic training with many of the country’s leading experts such as Kent Remington MD, Arthur Swift MD, Dr. Mauricio De Maio, and Lara Devgan MD, Katie continually provides her clients with the industry’s most therapeutic injectable interventions specializing in natural – not overdone- results.

In 2018, Katie’s level of expertise was recognized by Allergan, the aesthetic industry’s leading manufacturer of injectables. She was selected to become one of three elite trainers in the area on providing instruction and guidance for advanced industry techniques, safer practices and better client outcomes to other practitioners around the country.

Alisa Grimm





Alisa attended college and received her RN degree in 2004 right here in Tucson. Her medical career began as a recovery room nurse with an emphasis on cosmetic surgery. After working with several of the area’s most respected Plastic Surgeons for more than a decade and being entrusted with the care of their patients, Alisa expanded her cosmetic expertise to encompass being a provider of aesthetic services as well.

Alisa became certified in all aspects of aesthetic medicine, focusing her unsurpassable skills on all things injectable. Now, having attained a level of excellence through extensive hands-on experience, Alisa brings her knowledge and expertise to Skinjectables®.

She has mastered the art of, and specializes in, natural outcomes that our clients request and have come to expect with every experience at our clinic. As an Expert Level injector, Alisa is highly respected among her colleagues and a client favorite at delivering exceptional results in Botox and Dysport as well as the entire spectrum of dermal fillers, Kybella, and Sculptra. Skinjectables is honored to have her as an integral member of our team and part of our family!

Shanasue Shallenbarger




As a native Tucsonan, Shanasue graduated from the U of A and then went on to pursue a career in nursing after attending the University of Phoenix where she received her RN designation. She joined Skinjectables with over 8 years of clinical nursing experience in such areas as Urgent Care, Plastic Surgery, and Emergency medicine.

As Shanasue was able to perfect her aesthetic skills, she became certified in expert injection techniques and as an Advanced Level Injector. As a result, Shanasue “SSS” is adept at delivering the exceptional results Skinjectables® is known for, with a gentle, finely tuned hand. 


Her focus on natural looking outcomes and conservative, detail oriented recommendations are why her clients return to Skinjectables® to seek her anti-aging intervention.  You can find ShanaSue at our Green Valley location on the third Wednesday of every month where she serves up Botox, fillers and B12 bomber shots always with a smile!!





Yivonne McFarland




After receiving a BS in Nursing from the University of Phoenix,  Yivonne began her extensive medical nursing career in Cardiology, ER medicine, Labor & Delivery and as a Nurse Manager. Highly skilled in all aspects of nursing, Yivonne decided to utilize her injection skills as a cosmetic provider becoming certified in Botox, fillers and laser treatments in 2013.

For the past four years, she has practiced in the aesthetic setting delivering superb,natural-looking results in keeping with what her clients have come to expect from her.  Her attention to detail and desire for achieving excellent outcomes makes her a great addition to the Skinjectables’® team of medical professionals.

Consultations with Yivonne are always based upon her straightforward recommendations while keeping her client’s expectations as a top priority.  If your looking for a natural looking, real world and gentle approach, come see Yivonne for all your anti-aging needs!  You can find her tending Bar at Skinjectables® every 3rd Tuesday and 3rd Thursday of the month. 

Stacey Mitchell




Stacey joins Skinjectables® with significant nursing experience, having obtained her Bachelors of Science in Nursing at NAU in 2010.  Since 2008, she has worked in all aspects of medicine including respite care for children, TMS post critical care and cardiac telemetry.  As an RN, Stacey provided nursing care at the VA in rehabilitation and med/surg  as well as delivering exceptional nursing care at Premise Health in Nevada.  While her medical nursing skills are exceptional, Stacey discovered that her true passion was in aesthetic medicine, leading her to pursue higher learning in developing her skills as a cosmetic injector.  Not only did she demonstrate her eye for beauty in studying to become a makeup artist, but she used that creativity to become 

certified in cosmetic injectable treatments, with advanced training in dermal fillers, neurotoxins, micro needling and laser treatments.  Stacey’s priority is formulating treatment plans that ensure her client’s concerns are thoroughly addressed with the safest, most natural intervention possible.  Her genuine kindness and attention to detail are just some of the reasons why she has such an extremely loyal clientele.   

You can pop by Skinjectables® on Mondays, Wednesday mornings and Happy Hours to experience Stacey’s gentle hands!

Tiffani Miller




As both a Registered Nurse and a licensed Aesthetician, Tiffani brings a valuable touch to Skinjectables®. Her passion for aesthetics and skin care began in her teens as she personally battled acne, motivating her to pursue becoming an aesthetician in 2006. After spending years helping others achieve beautiful skin through proper skin care and professional grade treatments, she decided to plunge further into her passion by becoming an RN in 2014.  Her focus on aesthetics as an RN began with her career in plastic surgery, working for one of Tucson’s most prestigious offices.  For several years, she provided post-operative and follow-up care to cosmetic surgical patients while honing her skills as a cosmetic injector, laser technician and skin care specialist.

Currently, Tiffani works as a full-time RN Case Manager but continues to find the time to develop her passion in aesthetics. Helping her clients look and feel their best is her ultimate goal, while delivering the safest, most comfortable and exceptional injection experience. Assessing each and every client based upon their individuality, concerns and unique correction goals is her specialty- allowing clients to achieve the best, most natural looking outcome possible.


Brittany Kingsley




Brittany comes to Skinjectables with a strong background in customer service, having worked in restaurants, salons, and at a law firm. Brittany is currently studying Retail and Consumer Sciences at the University of Arizona but is considering a switch to nursing in the near future.

Brittany is a native Tucsonan and attended Sabino High School where she played volleyball and ran track. Her “team-player” mentality, focus on customer care, and relaxed personality are sure to bring an extra level of service to all our clients.  Most likely, when you call to schedule your appointment, it’s Brittany’s calm and friendly voice you’ll hear that will brighten your day!





Laura Case


Skincare Consultant




Bio coming soon…

 Skinjectables® Bio coming soon….


Jenny Bertram





Jenny is originally from Indiana where she attended Indiana University, graduating with a B.S. in Business.  After spending 25 years working in all aspects of the mortgage industry, she decided it was time for a change. 

She made the permanent move to Tucson in 2005 with her husband and spent the last several years working in client relations.  Her attention to detail and extensive background in customer service have made her an excellent addition to Skinjectables®! 


When she’s not providing exceptional service at Skinjectables®, Jenny enjoys cooking, exercising, traveling, and participating in agility competitions with her two Australian Shepherds.


Sandy Seidel

Medical Esthetician

Skin Care Specialist




Sandy Seidel | Skinjectables Tucson

Sandy Seidel is one of Tucson’s most respected and highly regarded Medical Aestheticians who has been an industry leader for more than 18 years.  Dual certified in lasers and medical grade skin care, Sandy has delivered exceptional treatments to her clients with outstanding, predictable results in some of the regions most prestigious offices.  With over 7 years of providing professional skin care treatments in Tucson’s top cosmetic salon enterprise as well as 9 years in a plastic surgery office, Sandy has gained the expertise to develop treatment protocols and

customized skin care plans for her clients with results that are unrivaled.  In 2015, Sandy opened her own professional skin care treatment practice, Sandy Seidel Aesthetics (located inside Skinjectables), where she continues to provide the most advanced techniques including microdermabrasion, dermaplaning, waxing, LED, oxygen facial therapy, and customized medical grade facials.  To experience one of the best skin care treatments you’ve ever had, call Sandy direct to schedule  520-245-4557 ….your skin will thank you! 


Dr. Edward Eades


Dr. Edward


Dr. Edward Eades | Skinjectables Tucson

Dr. Eades has been in private practice in Tucson since 1990. Formerly an Assistant Professor of Plastic Surgery at Duke University Medical Center, he also did his Plastic Surgery residency at Duke and completed a fellowship in Hand and Microsurgery with Drs. Kutz and Kleinert in Louisville, Kentucky.

Dr. Eades received his Bachelor’s Degree from The University of Texas at Austin, his Medical Degree from The University of Texas Medical School at Houston and completed a five-year residency in General Surgery at The University of Texas Health Science Center at San Antonio before going to Duke.


He is certified by the American Board of Plastic Surgery and is a member of the American Society of Plastic Surgeons.