About

Jessica St. Jean, NP-C, Owner of JSJ Aesthetics

Jessica is a Certified Family Nurse Practitioner. She began her career in 2004 at Brigham and Women's Hospital in Boston, caring for patients post Thoracic Surgery. Her experience as a nurse inspired her to begin a second career in aesthetic medicine, launching her own business in 2014, JSJ Aesthetics. At JSJ Aesthetics in Methuen, MA, and Salem, NH, Jessica performs in-demand cosmetic injectable services including Botox, Dysport and Restylane. She also offers Hydrafacial, Skinceuticals, CoolSculpting, CoolTone, Ultherapy, PDO Max thread lifts, microneedling, Natural Growth Factor Injections, sexual wellness, treatment for urinary incontinence, Bioidentical hormone replacement therapy, IV hydration, nutrition and much more. Jessica is also an expert trainer in the field of medical aesthetics. In 2018, Jessica was selected as a Faculty Member in the Galderma Aesthetic Injector Network (GAIN), a position that has allowed her to pursue her passion of teaching while continuing to advance her skill set. She has since begun offering private injectable training sessions to medical professionals. In 2020, Jessica was selected as a trainer for PDO Max where she teaches the art of thread lifting and collagen building. She prides herself on extending her love for teaching to her patients and peers. Jessica is a 2003 University of New Hampshire, Durham graduate with a Bachelor of Science in Nursing and received her Master of Science in Nursing from Rivier University in 2019. She is a member of the Massachusetts Nurses Association and Sigma Theta Tau.

Sarah Hanson

Sarah is a Registered Nurse holding her license in both Massachusetts and New Hampshire. She began her career in the medical field in 2015 as a Medical Assistant in Primary Care and Dermatology in Boston MA. She became an RN in 2019 and from there practiced in Urgent Care, Medical-Surgical, Oncology, and Psychiatric Nursing. Sarah has always had a passion for wellness and self care and also received her Aesthetician License in 2008 from Elizabeth Grady. Sarah began working in Medical Aesthetics in 2020 and joined the JSJ team in September 2021.

Danielle Ayotte

Medical Office Manager, Certified Medical Assistant, Medical Aesthetic Consultant, Team Leader.

Danielle has received her ABS in Medical Management and has been a certified Medical Assistant for over 20 years. She has a wealth of knowledge in medical aesthetic and regenerative medical procedures and has both assisted in and performed many procedures. Over the last two years Danielle has focused her career on Customized Consultation, educating and guiding clients on anti-aging procedures, options, and Creating a unique long-term plan for each individual client.

She is thrilled to join this incredible team as Medical Manager bringing her years of experience to JSJ Aesthetics and Wellness! Danielle resides in Pelham, NH with her three beautiful boys.

Malazia Nassiff

Malazia is a graduate of Salem High school who has always loved everything beauty with her eye for detail. She then graduated Catherine Hinds Institute of Esthetics in 2015 as a Master Esthetician and Professional Makeup Artist, with doing over 100 weddings in the last 7 years.

She is knowledgeable in numerous of skincare lines like SkinCeuticals, Allastin, while also bringing a variety of services to JSJ.

Malazia specializes in skincare treatments like HydraFacials, while also servicing brow services such as brow waxing, threading, lamination, brow tint and henna. Her main love is bringing out the natural beauty in those doing makeup! On days she isn’t at JSJ, she is enjoying motherhood of her son and being around her loved ones.

Brooke Lemaire


Brooke started her career with JSJ Aesthetics & Wellness in 2022. Brooke very quickly became an invaluable member to the JSJ family.
Brooke is responsible for assisting Jessica with client procedure and pre-procedure workup, Phone triage for a patient scheduling and client questions, And check-in checkout procedures including client consent.
Brooke currently attends UNH in the Health Science program on track for a Physician’s Assistant degree. Expected graduation 2025.

Danielle Tiernan

Danielle is our newest member to the JSJ team. She is a Registered Nurse that graduated from Northeastern University in 2000 with her Bachelor of Science degree in Nursing. She holds her license in both Massachusetts and New Hampshire.

Danielle began her career in Boston working at Brigham and Womens Hospital caring for the complex needs of post surgical patients. She happily spent the next over 20 years there until she decided to change her career goals to that in the aesthetic world. She is now constantly advancing her knowledge on the most current beautifying procedures offered. Receiving multiple certifications and attending hands on credited aesthetic classes. She is enthusiastic and determined to help every client feel better and achieve their skin care goals. Patients love her warm, inviting and caring demeanor.

Danielle is now offering hormone replacement consultations, neurotoxins, ultratherapy, PRP, PRF, Sculptra, microneedling, vitamin and iv therapies.

Danielle lives in Londonderry with her husband Tim and two daughters. She loves spending time with her family, going to the gym, and hiking in the beautiful mountains that NH has to offer. Please follow Danielle on Instagram @rninjectordanielle

Dianara Torres

Dianara Torres is a licensed practical nurse who graduated in 2020 from the esteemed American School of Nursing and Medical Careers. With a specialization in Pediatrics and substance abuse, she has honed her skills and expertise in these critical areas of healthcare. Driven by her unwavering commitment to professional growth, Dianara is currently pursuing her goal of becoming a register nurse by enrolling in classes at Rivier University, with an expected completion date in 2024.

In her current role, Dianara diligently supports Jessica in executing client procedures and facilitating seamless connections between clients and the essential services they require. Additionally, she adequately manages the scheduling of pre and post-treatment appointments, as well as efficiently triaging phone calls.

The captivating field of aesthetic nursing has swiftly captured Dianara’s heart, she considers it an absolute privilege to be part of this remarkable team. As she works alongside Jessica, Dianara eagerly absorbs knowledge and hones her skills, with the ultimate aspirations of becoming a nurse injector in the near future.