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Dave Hinman:

Greg Harren:

Dave began his career in the printing industry in 1998 when he joined Sentinel as a sales representative. His prior experience includes stints as a real estate partnership manager and stock broker. An avid poker player and amateur carpenter, Dave coaches youth league sports and volunteers with kids in his spare time.

As a Sentinel Sales Representative and part owner, Greg Harren has a stake in the success of Sentinel’s customers. With over 23 years of working closely with customers and giving them the dedicated attention they deserve, he has earned the reputation of being trustworthy and reliable. Once you have worked with Greg, it is easy to see why he has so many loyal customers that trust Greg and Sentinel Printing for their printing needs. When not at work, Greg, with his wife Sue, enjoy watching their sons participate in athletic events and are actively involved in their community.

Mary Jo Sandretsky:

A fifteen-year veteran of the printing industry, Mary Jo has spent over the last decade at Sentinel Printing. In sales from the start, her ‘outside the box’ thinking, communication skills, and printing knowledge have made her a valuable partner for many loyal customers. Outside the office, she enjoys community volunteering and spending time with her two children. Mary Jo is an avid runner and traveler, with Chicago, Boston, Las Vegas, Miami, Alaska and Mexico among her favorite places to visit.

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