Medical Aesthetics Associates (MAA)

We are a proud member of Medical Aesthetics Associates (MAA), the most elite, compliant group of nurse
injectors in Massachusetts, and our supervising physician is a board-certified, Harvard trained plastic surgeon.

Meet Our Team


Kristen Callanan, BSN, RN, CANS, CLT, LE, AIM Clinical Instructor

Kristen is the Owner and Advanced Aesthetic Nurse Injector at RENEW Medical Aesthetics. She has also been a practicing Licensed Esthetician certified in Medical Esthetics since 2000. Kristen opened RENEW in June of 2013, with a focus on complementing Cosmetic Injectables, including Botox and various dermal fillers, with the art of excellence in skincare.

Learn More

Briana Torrey, NP, Aesthetic Injector

Briana received her Acute Care Nurse Practitioner degree from Northeastern University. She specializes in Critical Care medicine and has over 10 years of experience in various different Intensive Care Units including Surgical, Trauma, Burn, Neurological and Medical. Her time spent at the bedside as an ICU Nurse and Nurse Practitioner has provided her with extensive knowledge and experience in advanced medical procedures, love for continued education and a focus on patient safety. Briana maintains hospital credentialing at UMASS Memorial Medical Center in Worcester and Cape Cod Hospital. While critical care medicine remains a passion of Briana’s, she always gravitated towards medical aesthetics. Briana underwent a year of training with advanced mastery courses from the American Academy of Facial Esthetics and is a national mentor for the American Academy of Facial Esthetics. She is fortunate to work alongside Kristen and under her mentorship.

Shani Geno, CLT, LE

Shani is skilled in various skincare treatments; including DiamondGlow by Allergan, Ultrasonic Facial Treatments, Environ DF2 Skin Treatments, Chemical Peels, VI Peel, acne management, anti-aging and laser skin treatments. Shani specializes in the Emerge non-ablative fractional laser and the Cutera Xeo; which includes Intense Pulsed Light (IPL), Laser Genesis and Titan skin tightening into her practices for facial skin rejuvenation. She also provides laser hair removal, full waxing and brow shaping services.

Learn More

Allison Braverman, LE


Allison graduated from Catherine Hinds Institute of Esthetics in 2005. She currently holds a Type 6 esthetic license and has her Holistic Practitioners Certification. Allison specializes in advanced facial treatments, eyebrow shaping, and Brazilian waxing. She also customizes at-home skincare regimens using medical-grade skincare products tailored to her clients needs. Staying up to date with industry trends and trainings, Allison truly enjoys educating each client while giving them a relaxing, results-driven treatment.

Jodi Hahn, Practice Manager

Jodi brings her effective leadership, business management, health and wellness and exceptional customer relations experience to RENEW. Educated at Villanova University, she is certified in Six Sigma Business Process Improvement and Lean Manufacturing with a focus in Healthcare. Her studies included business analytics, business planning, organizational assessments, performance planning and project management. Her 18+ years in various corporate roles centered on creating successful teams and redesigning workflows are a valuable addition to our team. Jodi oversees all aspects of the Practice; the daily operational and administrative functions of our business, while also ensuring that everything we do equates to providing the highest level of care to our clients.

For business, billing, event, marketing, product or wholesaler related assistance email jodi@renewmedaesthetics.com

Nannette O'Brien, Client Service Coordinator

Nannette is a graduate of Northeastern University with a concentration in Business Management. She has worked in the Medical Spa industry for over 10 years. She provides top-notch customer service and ensures that each client is matched with the appropriate provider based on their skin needs and conditions, facilitating ultimate client satisfaction.

Jennifer Dale, Client Service Coordinator

Jenn is a beauty enthusiast who has always had a love for skincare and every aspect of the beauty industry. She attended UMASS Dartmouth with a major in business and came to RENEW after owning and operating her own business for 20 years while raising three children. Providing outstanding customer service in her day-to-day activities and making sure clients are happy is her passion.