Dr. Bill Slevin is a world-famous paranormal investigator, parapsychologist, demonologist, researcher, and educator with over 36 years of experience in the field. Bill has devoted a lot of his life to trying to uncover the mysteries of the unknown. From a young age, Bill immersed himself in studying the paranormal and unexplained phenomena, combining his personal experiences with science and extensive research to lead him on this journey to becoming a leading authority on the subject.

As a demonologist, Bill is frequently called upon by other teams to assess cases that may involve demonic activity, leading him to work on numerous dark and demonic cases. Specializing in residential hauntings, Bill has conducted more than 1,000 Residential investigations, helping countless individuals and families across the country.

Bill has been featured on Discovery+, Travel Channel, Destination America, MAX, and Paraflixx, as well as in numerous radio shows, podcasts, magazines, and newspapers worldwide. He has graced the cover of American Paranormal Magazine five times along with Paranormal Underground and has been featured in Paranormality, and The Indie Horror Junkie, among others. Bill is also a proud member of The Ghost Club in the UK, which is the world’s oldest organization associated with psychical research, established circa 1862

A sought-after paranormal educator and public speaker, Bill is a celebrity guest at conventions, paranormal conferences, schools, and libraries worldwide, sharing his knowledge, along with entertaining, on the realities of the paranormal versus the myths seen on TV.

Inspired by paranormal pioneers Ed and Lorraine Warren, Bill has had the honor of working alongside those who trained directly under the Warrens and some of their family members. He currently serves as the CTO and Director of the Warren Society for Paranormal Research and Education, founded by Joe Franke, a long-time student of the Warrens. Previously, he was a director and part of the management team for 3 years for the Warren Legacy Foundation for Paranormal Research, founded by Lorraine Warren and her grandson, Chris McKinnell.

As the Founder of The Paranormal Existence Research Society (P.E.R.S.), based in Coral Springs, FL, Bill leads a renowned non-profit paranormal research team with branches across Florida, Georgia, Nebraska, New England, the UK, Italy, and Greece—soon expanding to Brazil in 2025. P.E.R.S. is dedicated to helping people who believe they are experiencing paranormal activity, offering their expertise free of charge.

The Paranormal Existence Research Society (P.E.R.S.) is Bill’s team that he formed back in 2014. Every team member is hand picked by him to insure he has the best trained people in the field to help with residential investigations. There are so many people looking for help believing they are experiencing paranormal activity and are frightened, and he wants to make sure his team and him provide the best help possible.

The P.E.R.S. team is based out of Coral Springs, Fl with teams all throughout Florida, Georgia, Nebraska, New England and International in the UK, Italy and Greece and expanding to Brazil in 2025. We also work with many other well trusted teams across the world to help assist if needed, no matter where you are located we can help you.

P.E.R.S. is professional, compassionate, trusted, honest and experienced. Our passion is to help our clients in finding peace of mind, resolve, and to help take back their home or business from all types of paranormal activity. We work both intuitively and scientifically, as we feel it gives us a better all-around approach to our work. P.E.R.S. respects your privacy & confidentiality. We will not publicize any identifying information about your case without the permission of the client. We may publish our research findings confidentially to better promote education on the paranormal (We would never publish private client information just our findings).

To learn more about us, who we are, and what we stand for check out our website www.persfl.com