Meet Sandra Colmenares

By Nicole Tomassi | November 10, 2021

  Sandra Colmenares joined the Westchester Education Services team in Fall 2021, as the Senior Supervising Editor, Languages and Translation. She brings into this role her professional experience working for several educational publishers along with her personal experience of having emigrated to the United States as an adult and assimilating into the local community. Sandra…

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Meet Tim Yetzina

By Nicole Tomassi | February 10, 2020

  Tim Yetzina is the Senior Supervising Editor for STEM at Westchester Education Services. Read on to learn more about how Tim’s wealth of knowledge and experience are beneficial to our clients as well as their end customers, the students who learn important math and science principles from the material that is created. The majority…

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