About Celerity

Two people holding hands, one person's hand gently grasping the other's.

We’re dedicated to giving substance use, mental health, and behavioral health providers back their time

We provide a custom tailored electronic health records solution to improve and enhance the results of care provided to inpatient, outpatient, and residential clients, while creating a more efficient and effective process for providers. Our revenue cycle management, billing software, and billing service options are designed to keep your practice running smoothly. It’s all about making sure providers can get back to doing what they do best: Caring for their clients and improving outcomes.

Meet Our Leadership Team

A headshot of Peter Labaki

Peter Labaki

PRESIDENT AND CEO

As our Founder and President of Celerity LLC, Mr. Labaki has a successful history in the Information Technologies industry. He is a graduate of the State University of New York at Buffalo with a B.S. in Political Science.

A headshot of Jonathan Strange

Jonathan Strange

CLINICAL DIRECTOR

Mr. Strange has a wealth of clinical experience, having received his CASAC Certification while also practicing as a clinician and counselor in a number of organizations in New York State. He received his B.A. in Psychology from Canisius College in Buffalo, NY. He is a member of Chi Sigma Iota, a Counseling Honor Society, and received the Phi Theta Kappa Scholarship from the International Honor Society.

A headshot of Caryn Jenneve

Caryn Jenneve

VICE PRESIDENT OF SALES

Caryn joined the Celerity team in 2009 with extensive sales, management, customer relations and service experience. Over the years, Caryn has launched and managed our billing module, new feature development, trainings and implementations, as well as our Billing Services offerings and team. Today, Caryn’s primary focus is on sales and marketing, team management, feature development, process improvement, and provider advocacy.

A headshot of David Michael

David Michael

DIRECTOR OF CUSTOMER SUPPORT

David has been a member of the Celerity team since 2011, and with him he brings a very experienced professional background. Dave quickly took on those challenges and ascended quickly to Vice President of Sales after achieving a proven track record of beneficial partner relationships.

A headshot of Alyssa Osinski

Alyssa Osinski

DIRECTOR OF BILLING

Alyssa has been with Celerity since July 2014, when she joined our team as a Billing Service Specialist. She and likes to be outside when weather permits. Alyssa and her fiance are in the process of buying their first home so they will be spending much of the summer getting things in order. She has an 8-year old lab mix named Molly, and they enjoy playing as much as they can outside.

A headshot of Annette Clarke

Annette Clarke

BILLING SUPPORT LEAD / BILLING SPECIALIST

Annette is an accomplished medical billing specialist with many years of experience behind her. Annette joined the team in June 2016 and enjoys spending her free time with her son, reading and fishing.

A headshot of Derek Kueker

Derek Kueker

SOFTWARE TECHNICIAN AND DEVELOPER

Derek has been part of the Celerity team since December 2015. In his spare time, he enjoys keeping up with the latest technology and software trends, amateur web development, catching Buffalo Sabres games, rollerblading, and spending time with family and friends.

A headshot of Dannette Rustico

Dannette Rustico

BILLING SERVICES SPECIALIST

Dannette has been with Celerity since November 2016. She loves to spend time with her husband going on road trips, festivals and concerts. Dannette also enjoys cooking, gardening, playing with her yellow lab Sunni, going to the beach, and spending time with family and friends.

A headshot of Kim Williams

Kim Williams

BILLING SERVICE SPECIALIST

Kim brings to Celerity nine years of experience in the billing field. In her free time, she enjoys hanging out with her mom and two daughters, ages 15 and 20. She also loves watching comedy, horror, and paranormal movies; reading; shopping; and traveling.

A headshot of Adam Niles

Adam Niles

SOFTWARE DEVELOPER

Adam enjoys spending his free time programming and keeping up with all the latest technology trends. He also likes finding great places around Buffalo to eat.

A headshot of Alexander Haynie

Alexander Haynie

SOFTWARE SUPPORT AND DEVELOPER

Alexander enjoys spending time with his wife, two children, family dog, and hamster. During his free time, Alexander likes cooking, reading, listening to music, watching movies, and keeping up with the newest tech trends.