Addiction Treatment Team - Serenity Springs Recovery Center

Addiction Treatment Team

Medical Staff

Our experienced and dedicated medical staff provide exceptional, one of a kind treatment for the mind and body.

Dr. James Meredith, MD

Provisional Medical Director

Dr. James Meredith is a graduate of the University of South Florida, for both his Bachelor and Medical degrees, graduating with honors. His residency was also conducted at the University of South Florida. He has practiced General Practice Medicine, Addiction Medicine, and Interventional Pain Management for the last 6 years. He is happily married with 2 children, and resides in New Smyrna Beach, FL. Dr. Meredith has worked in many settings over his time practicing, including the FL State prison system, Private Practice, as well as with multiple Interventional pain facilities. He has written numerous papers and conducted research regarding Opiate Dependency and treatment. He enjoys cooking gourmet meals and spending time with his children and loved ones. His philosophy of addiction treatment is that no two patients are alike and that treatment should be all encompassing including traditional western medicine, alternative treatments, behavioral therapy, and 12-step principles.

Ellis Fort, PA-C

Certified Physician’s Assistant

Ellis is a Certified Physician Assistant, and has practiced for 6 years in General Practice Medicine. He has specialized in Addiction Medicine and Interventional Pain Management for the last 3 years. He has an undergraduate degree in Psychology from the University of Central Florida, graduating with honors. He continued with courses in Pre-Med to later complete his education at Nova Southeastern University with a Masters in Medical Science, Physician Assistant Studies. He is happily married and lives with his wife and children in the New Smyrna Beach area. He is also a professional wakesurfer, spending most weekends on the water with his friends and family. He has a strong belief that people must be treated as a whole, mind, body, spirit. Recovery from addiction includes the recovery from the physical self as well as the emotional/psychological and spiritual self.

Dr. Derrick DeSilva Jr., MD

Medical Advisor

Dr. DeSilva is a Senior Attending Staff Member and Chairman in the Department of Integrative medicine at Raritan Bay Medical Center in New Jersey.   He is also a member of the teaching faculty at JFK Medical Center in Edison, NJ.  Dr. DeSilva  is Chairman of the Age of Management Medicine Group and Past President of the American Nutraceutical Association. He was the recipient of the Alan Mintz Award for Excellence in Clinical Age Management Medicine in November 2010, received the Best Doctor Award by Castle Connolly for the past 15 consecutive years. Derrick is a published author, host of the “Ask the Doctor” on WCTC Radio, and Medical correspondent for Cablevision (News 12 NJ) and Host of “12 to Your Health.”

Dr. John Humiston, MD

Medical Advisor

Dr. Humiston is a board-certified family physician with extensive education in effective alternative medicine. He received his medical degree from the Medical College of Wisconsin in 1995, then entered naval service where he completed his residency at Naval Hospital Camp Pendleton, California.  He began work at the William Hitt Center under the mentorship of Dr. William Hitt and then joined the Center for Health and Wellbeing staff in San Diego in 2010. He has lectured nationally on addiction treatment and Candida overgrowth, and has served as a consultant training other physicians on the effective treatment of addictions with intravenous amino acids. Information on NeuroRecover(TM), a new approach to drug and alcohol dependence and addiction, can be found at

Clinical Team

Our master’s level clinicians are vital in healing the mind through therapy and one-on-one counseling.

Dr. Edda Casanova, MD


Dr. Casanova, a member of the American Academy of Child and Adolescent Psychiatry,  provides psychiatric services for all clients and conducts weekly treatment team meetings. Dr. Casanova grew up in Puerto Rico and earned a Bachelor of Science in occupational therapy from the University of Puerto Rico in 1968. She went on to earn her Doctorate in Medicine from the San Juan Bautista School of Medicine in 1980.In 1983, she completed her residency in psychiatry at Bergen Pines County Hospital in NJ and her fellowship in child and adolescent psychiatry at Mount Sinai School of Medicine in New York in 1985. Since 1988 she has actively been practicing medicine in a variety of settings including;  New York, Virginia and Florida.

Rhiannon Haga, LMHC, NCC - Therapist

Rhiannon Haga, LMHC, NCC


Rhiannon is a National Certified Counselor and a Florida certified mediator. Rhiannon received her Bachelor of Arts in Psychology and a dual Master of Science degree in counseling (mental health and marriage & family), both from Barry University. Rhiannon has experience working with individuals, families, facilitating groups, and conducting seminars on various topics. She is also a certified EMDR I and II therapist. Rhiannon enjoys using a creative approach with clients and helping them to develop strength-based solutions to life challenges.

Profile photo of Laurie Milne, Lead Clinician

Laurie Milne, MSW, LCSW

Lead Clinician

Laurie received both her B.S.W. and M.S.W. from the University of New Hampshire. She has experience providing direct clinical work with both individuals and families through her own private practice and her work at previous drug and alcohol treatment centers. Laurie utilizes this alongside other methods such as behavioral management techniques and trauma-focused cognitive behavioral therapy. In Laurie’s own words, she says, “I approach my clinical role from a relationship and strengths-based perspective- heart and person centered, meeting an individual where they are at. I utilize evidence-based modalities, mindfulness, relaxation, and psychoeducation.” Among Laurie’s many strengths as a therapist include her ability to provide stabilization of clients with trauma and substance abuse disorder so that they may find inner peace and hope in recovery.

Treatment Specialists

Our addiction treatment specialists create a customized program, meeting the needs of each individual.

Matthew Cortale

Director of Operations

Matthew is the Director of Operations for Serenity Springs Men’s Residential Program focusing on the day to day operations. He ensures the needs of our clients and staff are maintained and that our company’s primary focus remains on all residents recovering from drug and alcohol addiction. Matt has a passion for working at a residential drug treatment facility, after losing a loved one to drug addiction. Originally from Long Island, New York, Matthew, aspired to establish a career in business finance. After successfully obtaining a Bachelor of Science in Business Administration from the University of Colorado Matthew established a successful career in the advertising industry in Manhattan. Along with his business professionalism and the altruistic attitude he developed while growing up with a sibling diagnosed with autism, Matthew was a natural fit at Serenity Springs. Matt began as a recovery advocate, helping clients complete our 12-step immersion program. He then transitioned into case management, where he helped clients make proper after care plans, helping clients transition to the appropriate sober living and outpatient programs. Matt quickly took on leaderships roles within the organization and was promoted to his current position of Director of Operations for Serenity Spring’s Residential, Intensive-Outpatient, and Outpatient programs. Matt loves to see the transformation that takes place in clients that previously had no hope of ever recovering from drug addiction and alcoholism. He believes that Serenity Spring’s addiction treatment program does the best job of any treatment center offering the clients the best solution to addiction. When not at Serenity Spring’s Matt enjoys; golf, working out, spending time with friends and family, and volunteering his time with people in need. Matt loves to be a part of the Serenity Springs team and plays a critical role in helping clients recover from the disease of addiction.

Dan Herman - Operations Coordinator - Serenity Springs Recovery Center - staff profile

Daniel Herman

Operations Coordinator

Dan is the operations coordinator for Serenity Springs men’s residential and Intensive outpatient programs. He is responsible for implementation and oversight of procedures at our Volusia County drug and alcohol addiction treatment facilities. Dan’s hard work allows the clinical team and addiction experts to concentrate all their efforts on helping clients; complete our 12-step immersion program, work through underlying causes of addiction, and ultimately recover from drug and alcohol addiction. Born and raised in Central New Jersey, Dan originally had his sights set on a career in news media. He graduated from Rutgers University in New Brunswick, NJ with a degree in Journalism and Media Studies. After finishing college, Dan began to struggle with addiction and tried many different strategies to try to stop using drugs. Fortunately, in 2015 Dan found Serenity Springs where he was introduced to the solution to drug addiction and alcoholism. After completing the program, Dan began helping others recover from addiction outside of treatment. Soon after, his enthusiasm for recovery had him make a career change and he came back to work at Serenity Springs as a recovery advocate, helping clients through the addiction treatment program. After much success in that role, Dan’s skills allowed him to transition to his current position of operations coordinator. When not helping others in recovery, Dan enjoys reading, playing video games, and spending time with family and friends.

Perry Landsman

Lead Recovery Advocate

Perry is the Lead Recovery Advocate at Serenity Springs, where his main purpose is to ensure that all clients are on track to complete our 12-step immersion program. His main goal is to guarantee that all those suffering from addiction have the necessary spiritual experience to completely recover in mind, body, and spirit. Born in Brooklyn, NY, Perry moved to Connecticut where he lived most of his life. Perry attended SUNY Albany in 2011, where he received a bachelors degree in sociology. After college, he began a career in business management at Stew Leonards where he was employed for two years. Unfortunately, Perry began struggling with substance abuse soon after his career began. His addiction truly took hold around 2014. After numerous attempts to stop his use on his own, Perry attended Residential and Outpatient treatment but was still unable to recover from his addiction. At this point, he realized that he needed a different type of treatment center and found Serenity Springs. Perry is one of the numerous Serenity Spring’s success stories. After successfully recovering, Perry found a passion in helping others struggling with addiction to achieve the same result. Perry loves to see the miracles that take place in clients lives. When not helping others recover from their addiction, Perry enjoys watching sports, playing baseball, and spending time with family and friends. Perry is proud to be part of the Serenity Spring’s team and plays an essential role in the recovery of its clients.

admissions coordinator haley dean long blonde hair fair skin smiling

Hayley Dean

Case Manager

Hayley is the Lead Case Manager responsible for ensuring that Serenity Springs clients’ comprehensive treatment plan is on track for a Closely working in unison with the client’s families and Serenity Spring’s Men’s Residential Clinical Team; Hayley is also in charge of establishing and coordinating an aftercare package, giving our clients the best options available for outpatient and sober living to helpHayley was born and raised in central Florida and overcame her own personal struggle with addiction in 2008. Hayley has become a leader in the local recovery community and allocates a lot of time volunteering for several philanthropy organizations. This cultivated a passion for helping addicts and alcoholics; creating a foundation to make positive changes in the lives of those struggling with addiction. The experience of recovering from addiction motivated her decision to obtain a degree in psychology so that she may apply her passion in a professional manner. After graduating, Hayley began a successful career in marketing. She then made a career transition to what she is more passionate about, becoming the lead administrator for a mental health and substance abuse agency in Port Orange, Florida. Hayley’s leadership and altruistic character have made her the perfect fit for the case manager position at Serenity Springs, providing clients with the tools to obtain the best care possible with appropriate providers and community resources. She has an incredible talent as a behavioral health administrator to help clients stay on the best possible path to completely recover from addiction. When not helping clients find the solution to alcoholism and drug addiction, Haley loves to paddle board and free diving at springs throughout Florida.

Specialty Staff

Chelton Myers - Motivational Speaker for Serenity Springs Recovery Center (Chelton speaking to the clients)

Chelton Myers

Motivational Speaker

Chelton Myers is a professional motivational speaker who comes to the Serenity Spring’s campus to inspire clients suffering from drug and alcohol addiction. Although never experiencing chemical dependency himself, Chelton’s story of inspiration comes from overcoming his disability and pursuing his dreams. Chelton was born with Cerebral Palsy. He did not truly learn of his disability until he was 8 years old, about the time he was ending elementary school. Chelton at first struggled to accept what he was born with. However, entering high school, he found God and realized that his disability can be an advantage and he can use it to help a lot of people. Determined to not allow his disability to impede his life, he attended the University of Texas at San Antonio where he received two bachelor degrees in History and Political Science. Graduating with honors and GPA of 3.9. Another inspirational fact about Chelton is that he needed a walker to move around until the age of 25. The following two years, he taught himself to move around without assistance. It was an arduous journey. Exemplifying the adage many suffering from addiction must adhere to; “When you fall you must get up and try again.” Chelton is currently completing a book titled, “Consider it Pure Joy,” which he hopes to publish in the next year. He is also preparing for the LSAT exam and plans to begin Law School. When Chelton is not using his time to spread his message of hope and inspiration he enjoys watching sports and spending time with family and friends. However, Chelton enjoys most being around others that he can inspire and help. Chelton is an enormous inspiration at Serenity Springs and client’s use his story to help transform their own lives.

Jessica Lawrence - Nationally Certified Personal Trainer - Serenity Springs Addiction Treatment Team

Jessica Lawrence

MPTI Personal Trainer

Jessica Lawrence is a MPTI certified personal trainer, who instructs clients individually and performs group classes at our on-site fitness center. She has experience training individuals of all ages and skill levels and helps all Serenity Spring’s clients restore themselves to a healthy state of physical and mental well-being. Jessica was born in Wisconsin, where she began her journey in fitness at an early age. She started training herself in high school and at the age of 22, she received her national certification from the Personal Training Institute. In 2007, Jessica became involved with the Special Olympics. She specialized in coaching power lifting and won the Special Olympics Coach of the Year award in 2008. Jessica went on to become an IFBB pro bodybuilder in 2009 and competed in several shows. Shortly after, she moved to New York where she trained under the ISKA World Heavyweight Kickboxing Champion, Dereck Panza. It was there that she found a passion for the sport of boxing. Jessica went on to compete in Golden Gloves, winning the notable “Fighter of the Night” award in 2012. She is now a USA certified boxing coach. Jessica is also certified in kettle bell training and yoga. She became a certified yoga instructor at the prestigious Himalayan Institute, under the instruction of Luke Ketterhagen. In 2013, she moved to New Smyrna Beach and was introduced to Serenity Springs and found that she could use her expertise and passion for fitness to help those suffering from drug and alcohol addiction. With Serenity Spring’s 10-acre campus, and numerous on-site activities. Jessica has a passion for personal training because of the ability for a client to change the quality of life as well as outlook through exercise. She adds to Serenity Springs Fitness and Health program helping make Serenity Spring’s have more drug rehab activities than any other addiction center in central Florida.

Jimmy Lane at Serenity Springs in New Smyrna Beach, FL

Jimmy Lane

Surf Instructor

Jimmy Lane, a local professional surfing legend leads the Serenity Springs Surfing Program. Jimmy helps our clients develop self-confidence, promotes an active lifestyle, and ultimately teaches clients to learn to have fun in sobriety while enjoying the therapeutic aura of the ocean. In partnership with Jimmy Lane Surfing Academy, our clients have the opportunity of learning to surf in one of the nation’s only drug and alcohol addiction treatment centers to provide surf therapy. Surf therapy has been proven to help overcome a wide variety of cognitive and behavioral conditions, one of them being the disease of addiction.

Board Members

Our board members are dedicated to delivering the solution to every client of Serenity Springs Recovery Center.

Joseph Adevai

Board Member, Owner

Joe has had tremendous compassion and understanding with those suffering from the disease of addiction, after overcoming cocaine addiction himself over 20 years ago. Prior to opening Serenity Springs, Joe had an extremely successful career on wall street, becoming the vice-president for the company ICE on the NYSE. Joe became a pastor in the year 2000, and started Grace Church in New Jersey, which has had tremendous growth in the last 20 years. Joe retired from Wall Street in 2009, and now makes helping others his full time job. Joe recently became a published author after writing, A Reason to Live, which chronicles the story of his life.

James Marshall III

Board Member, Owner

James created the Serenity Springs Recovery Program and acted as Chief Operating Officer for the first three years. He grew up in New Jersey, and after studying accounting at Monmouth University from 2001-2006 developed and managed a number of businesses. In 2011, he moved to Florida to create his vision of an exclusive treatment center that offers individualized treatment that combines a 12 step experience with clinical therapy. James stays involved with Serenity Springs’ day to day operations and is dedicated to seeing those afflicted with addiction get well.

Jim Marshall, Jr.

Board Member, Owner

Jim brings a unique perspective to Serenity Springs’ Program. As an undercover narcotics detective, for more than two decades, Jim dealt with the world of addiction on a daily basis. After years of treating drug addiction as a crime, Jim came to realize that addiction is a disease and must be treated as such. After being exposed to the solution of recovery, Jim realized that there are numerous families that he and his son could help. With decades of experience seeing how addiction affects the family, Jim is able to empathize and help families going through their struggles.