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Welcome to Celerity LLC. We have over 20 years of expertise in EMR software.

Meet The Team


Peter S. Labaki
President & CEO

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As the Founder and President of Celerity LLC, Mr. Labaki has a very successful history in the Information Technologies Industry. Prior to founding Celerity, he served as the Director of Business Development for Method IQ, Inc., an Atlanta-based technology solutions company. In his tenure there, Mr. Labaki was charged with designing, developing and implementing “agenda & outcomes based” solutions focused on the healthcare market.
Mr. Labaki has served leading roles in several other technology solutions based companies where he also designed, developed and implemented installed and hosted solutions with a specific focus on education and medicine.
A graduate of the State University of New York at Buffalo with a B.S. in Political Science, Mr. Labaki served an internship at the New York State Office of the Attorney General Division of Consumer Fraud.
He is a Rotarian and serves on the Board of Directors for Literacy Volunteers of Buffalo and Erie County.

Jonathan R. Strange
Clinical Director

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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.
Mr. Strange began his professional career with Horizon Village, where he was named Most Valuable Rookie of the Year for Horizon Health Services for his performance as a Senior Case Manager as well as his role in post-care client success management practices. He has also participated in a partnership with the NYS Office of Alcohol and Substance Abuse Services.
He received his M.S. Degree in Counselor Education from Canisius College. Prior to joining Celerity LLC, Mr. Strange served as the EAP Coordinator and Clinician for Prism Health Network, where he provided training, development, and wellness seminars. Mr. Strange conducted numerous solutions focused sessions with parents, children, and numerous employers. In addition to all of this, he has also worked as a chemical dependency clinician for various agencies in Western New York.
Well-versed in a variety of addiction and abuse software packages, Mr. Strange has taken this experience to Celerity due to the superior capabilities, ease of use, and clinical organization conformity of the application. He serves a very important role within the company as our on-staff certified and experienced clinician, providing partners with unique viewpoints, tools and design methodology to improve agency efficiency and standard of care.

Caryn Jenneve
Director of Sales & Billing

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Caryn Jenneve is Celerity’s Director of Sales & Billing and has been with the team for eight years now. Caryn oversees the billing staff in their daily operations, gives billing module trainings remotely for our growing list of partners, and also oversees the sales department in their daily tasks. She really does it all for the Celerity team, and is as valuable of a member as there can be. She has two children who sometimes stop at the office to hang around and they can really brighten up the rest of the staff’s day.

David Michael
Vice President of Sales

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David has been a member of the Celerity team since 2011, and with him he brings a very experienced professional background. After spending time in education for a number of years, Dave joined the Celerity team in search of new career challenges and experiences. Dave quickly took on those challenges and ascended quickly to Vice President of Sales after achieving a proven track record of beneficial partner relationships. In his free time, he enjoys employment as a referee for high school and college sports in the Northeast, in addition to spending time in the outdoors.

Derek Kueker
Software Technician & Developer

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Derek has been at Celerity 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.

“The day the child realizes that all adults are imperfect, he becomes an adolescent; the day he forgives them, he becomes an adult; the day he forgives himself, he becomes wise.”  – Alden Nowlan


Jackie Shah
Billing Service Specialist

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Jackie joined the Celerity team in March of 2015.  In the summertime, Jackie likes to spend as much time as possible in her flower garden.  She is active in her local block club and participates in many activities that promote a clean and safe neighborhood.
“It takes a village to raise a child.”

Cheryl Cashion
Administrative Assistant

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Cheryl has 3 kids (William, 4, Gabriella, 7 and Ryan, 18) so most of her free time is spent with them. Her oldest son, Ryan is in training to become a Marine at Boot Camp in South Carolina. She has been with Celerity for a number of years now and does an excellent job in helping the sales and leadership team complete a variety of daily tasks.
“You never know what’s going to happen”. – A quote we use in my family all the time is from my oldest son (who was probably 4 at the time) in a singing voice.
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James Dickert
Director of Development

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James has been at Celerity for three years now and moved to South Carolina from Michigan after graduating from Eastern Michigan University with a major in Mathematics Education and a minor in Computer Science Education. In his free time, he enjoys tabletop gaming and disc golf.

“There are lies, damned lies, and statistics.” -Mark Twain


Anthony Nguyen
Development and Support Technician

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Anthony has been with Celerity since October 2015. He is quickly proving himself here at Celerity and in his free time enjoys comic books, video games, action and fantasy movies, and going out to the ocean to catch and cook some seafood. Anthony is an awesome addition to our team and will only continue to grow in his role here at Celerity where we are excited to have him aboard.
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Joe Restivo
Development and Support Technician

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Joe has been at Celerity for two years now and in his free time, he likes to do a good bit of gaming and work on some collaborative storytelling with a group of friends. Joe also enjoys reading as many books as he can get his hands on and tries to go on long road trips when the opportunity presents itself.

Phyllis Bogart
Billing Service Specialist

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Phyllis has been with Celerity since August 2014 and enjoys reading, photography, camping, watching sports, specifically football and baseball, and being outdoors. She is a key member of the billing staff and is always good for a “good morning” greeting every day.

“It’s amazing, how one person’s act of kindness can change the course of your life. Today, follow their lead and PAY IT FORWARD!!!!!”


Frank Coulson
Customer Support Manager

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Frank has been our customer support manager since April 1st, 2014. Don’t be fooled by the date; Frank’s customer service skills are no joke. In his free time, he likes to be outside, reading, watching television and relaxing. One of his favorite song lyrics from childhood is “I will gladly pay those union dues, just don’t judge me by my shoes.” Frank is a graduate of the Real FSU (Frostburg State University.)  He is happily married to someone smarter than himself, and he would suggest everyone try to do the same.


Theresa Destino
Billing Service Specialist

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Theresa has been with Celerity for one year now and in her free time, she enjoys outdoor activities and reading.

“Be silly. Be fun. Be different, be wacky. Be you, because life is too short to be anything but happy.”


Lynda Strange Renshaw
Office Manager

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Lynda has been with Celerity for four years now and serves as the Office Manager of our facility in South Carolina. In her free time, she enjoys reading, kayaking, home improvement projects, and cooking new dishes and old favorites. Lynda handles a lot of administrative tasks here at Celerity and does an excellent job of keeping us organized, especially helping those in our New York office remotely.

“Alice: This is impossible.
The Mad Hatter: Only if you believe it is.”


Alyssa Weingartner
Billing Service Specialist

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Alyssa has been with Celerity since July of 2014 as a Billing Service Specialist, 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.


Annette Clarke
Billing Service Specialist

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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.


Cassandra Pierce
Billing Service Specialist

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Cassandra  loves spending time with her husband, two children and her friends. In her down time, she also likes hiking, cooking, sampling different wines, and listening to new music. In addition to all of that, Cassandra also owns a dog and three cats that all keep her pretty busy.


Dannette Destino
Billing Service Specialist

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Coming soon…


Joshua Collins
Software Developer

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Josh has been with Celerity since late 2012 and is one of our longest tenured members here at Celerity. An interesting fact about Josh is that he plays the bagpipes. Josh really knows his way around development and is an excellent asset to our team.