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Mark Yurkiw
Westport, Connecticut, United States
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Nov. 16, 2023, 7:43 p.m. PST
Seeking Outsourced Marketing Strategy for a Professional Service
registered for challenge
March 17, 2023, 5:08 a.m. PDT
High-Voltage Direct Current (HVDC) Prize
registered for challenge
Aug. 11, 2020, 7:22 a.m. PDT
NASA's Lunar Loo Challenge
registered for challenge
