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Joe Murray

Owner / Instructor/Instructor Trainer

IANTD - 8343
TDI/SDI/CPROx1stAED - 12273
PADI - 196379
EFR - 196379
NAUI - 57061
SSI - 71440

Joe is an organic chemist by trade and has also worked in the coral reef research field for several years as a scientific diver.  In June of 2000, Joe began diving and quickly became hooked.  He achieved his advanced certifications through Master Diver by the end of 2001 and after enjoying being under the waves for a few years, he obtained his Divemaster certification in 2005 and continued to work as a "teaching" Divemaster.  In 2006 Joe went through the Instructor Development Course in Florida to obtain his Open Water Scuba Instructor rating and in 2007 became a PADI MSDT.  Joe is also an avid rebreather diver and is an instructor for the rEVO CCR, the Hollis Prism 2 CCR, and the Hollis Explorer SCR.  

Joe's dive travels have taken him to reef areas in South Florida, throughout the Caribbean,  Palau, Micronesia, and Raja Ampat-Indonesia.  Joe is an avid UW photographer/videographer and is always ready to dive into the world's oceans to capture a few more candid pics of the oceans' inhabitants.

Jim Murray

Owner / Instructor/ Instructor Trainer

IANTD - 8344
DAN -IT- 15001
PADI - 177514
EFR - 177514
SSI - 71635
NAUI -  IT- 57060

Jim recently retired as a research marine ecologist and scientific diver for the USGS. His research focus included ecosystem history and restoration issues in South Florida and coral reef research in Everglades National Park and surrounding areas of southern Florida. Jim has been a PADI MSDT since 2003 and in 2007 became an SDI/TDI Instructor. He is a Dive Safety Officer for both the USGS and the American Academy of Underwater Scientists (AAUS) and is a certified Scientific Diver with both agencies. Jim is an avid rebreather diver and is an instructor for the the rEVO CCR, the Hollis Prism 2 CCR, and the Hollis Explorer SCR.     

Jim has a strong passion for reef preservation and restoration and brings this passion and energy to Coral Edge Adventures, coordinating efforts to help with reef clean-up, water quality improvements and ongoing restoration efforts in the marine systems of South Florida and Chesapeake Bay areas.

Nathan Leazer

Instructor - Freediving Instructor

SDI - 19089
ERDI - 19089
PADI - 333347
DAN - 2348953
EMT-B - B012315312

Nate began diving in 2007 while in college.  He is a Police Officer with a local agency, where he is a member of his agency's underwater search & recovery unit; additionally, Nate is a state-certified EMT.

Nate obtained professional certifications with several agencies: SDI, PADI, and DAN.  In addition, Nate was one of Coral Edge Adventures first trained SDI Solo Diver.  He is currently working towards advancing his instructor certifications; and exploring Tech Diving and Freediving.

Nate is continually dedicated to expanding his training and education.

Ron Avery


SDI - 20301

Kathy Avery


SDI -  20302
SSI - 71636

Kathleen Avery has been a recreational diver and has been diving with her dive buddy, Ron Avery since 2005. She became a Rescue Diver and a Professional Dive Master with Coral Edge in 2014. Kathy has been a special education teacher for 12 years and works for the Prince William County School System. Her passion for helping others and scuba diving is also the reason why she wants to eventually become a Scubility Instructor with Coral Edge in order to teach adults with disabilities how to scuba dive. She has experience with over 200 ocean dives including wreck, deep, and cenote cave diving. Another favorite activity that Kathy pursues with scuba diving is underwater photography.

Jon Kaminski


SDI -19461
ERDI -19461

Tamaria Raleigh


SDI - 26863

Tamaria earned her open water certification in 2017 as an item on her bucket list and was quickly hooked.  She completed her divemaster in 2018 and worked up to instructor shortly after.  In addition to local quarry dives, she has traveled to Thailand, Mexico, Honduras and Grand Cayman in her diving adventures. 

For the last 13 years she has been a financial analyst for Lockheed MartinIn and in her spare time she enjoys traveling, photography, and offroading in her Jeep and ATV.  

Tom Wilkins


SDI - 30660

Jen Wilkins


SDI - 30618