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Last Activity:
Sep 29, 2020
Jun 15, 2014
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San Jose, CA
Civil Engineer, SCUBA Instructor, Beach Lifeguard

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Nassau Grouper, Male, from San Jose, CA

geomatt21 was last seen:
Sep 29, 2020
    1. Aqua guy
      Aqua guy
      Geomatt21 I have a interspiro divator MK II mask lost a ( one way valve seat assembly 460-190-549 will mask work without it ??? If not do you sell them used or new ???
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  • About

    San Jose, CA
    Civil Engineer, SCUBA Instructor, Beach Lifeguard
    eBay User Name:
    Certification Agencies:
    Dive History:
    2012: Open Water, Nitrox and Commercial diver training in Santa Barbara. 2013: reached over 100 dives including NAUI Divemaster & Rescue, TDI Deco Procedures & Advanced Wreck Diver, IANTD Technical Diver and 8 recreational specialties, these were completed primarily in lakes/rivers around Monticello, New York. Since 2014 I have visited Florida 3 times and dove inland and offshore for work and recreation. Now I am local to the Monterey/Carmel area and dive mostly at North Monastery Beach (kelp fields and deep ocean trench).
    Certification History:
    Certified Equipment Service Technician since 2015. I enjoy rebuilding and servicing first and second stages as a hobby. I've also been a licensed commercial diver since 2013, worked at 3 dive shops and hold over 20 certs in the industry, SDI Instructor since 2016. Despite all that, I understand that other service technicians, dive shops and instructors have different opinions and guidelines. We all come from different backgrounds.
    Certification Level:
    NAUI Trimix Diver, SDI Instructor
    # of Logged Dives:
    500 - 999
    Dive Classification:
    Scuba Industry Professional
    Years Certified:
    Six - Ten Years
    Dive Equipment:
    OTS Interspiro MK II (AGA), OTS spectrum paired with Hollis 500SE. ScubaPro Exodry drysuit and Jetfins or Hollis F1/F2s. MK 25 with S600 kind of guy, A700 for technical depths and deco diving. When I rent, it just needs to be serviced and working.
    Rebreather Type:
    Diving Rebreathers Since:
    SCUBA Divemaster, Instructor, Service Technician & Public Safety Diver
    High School & College Water Polo and Swimming
    BS Geological Science in 2011 - UC Santa Barbara
    AS in Marine Diving Tech in 2013 - SBCC

    From mid 2015-2017, I worked full-time as the Maritime Program Manager for the 131st Rescue Squadron at Moffett Field. In this time I started my own business, became a SCUBA Instructor, and traveled for work to assist the local Air National Guard pararescuemen in SCUBA search & rescue training.
    Since 2018, I have enjoyed employment as a non-commissioned Park Ranger and separately, an Ocean Lifeguard for CA State Parks. I now have my sights turned towards earning a MS in Civil Engineering thought Texas A&M Online.