Alumni, Featured by Chris R. VaccaroMay 11, 20159:47 am Sachem alum takes over Marchon Eyewear Credit VSP Global Jim McGrann, a Sachem alum from the Class of 1979, will take over control of Marchon Eyewear, Inc. a $5 billion company based in Melville. The former Lake Ronkonkoma resident, 53, was profiled in Newsday this week. CLICK HERE to read the full story on Newsday!