Tricia Compas-Markman
Tricia Compas-Markman
CEO & Founder, DayOne Response, Inc.

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Tricia Compas-Markman is founder and chief executive officer of DayOne Response, Inc. – a company focused on providing clean drinking water to disaster-prone communities. Tricia has a civil engineering background with 6-years experience working on water treatment technologies for developing countries, such as Thailand, Nicaragua, and Haiti. Tricia is co-inventor of the DayOne Waterbag and her work has been recognized by President Clinton. She is an Unreasonable Institute fellow, recipient of the Junior Chamber International, Osaka Outstanding Young Person’s Award for social innovation, Creativity Foundation legacy prize winner, a North America Finalist for the Cartier Women’s Initiative Awards, 2013 Engineers Without Borders Outstanding member, and a Pipeline Fellow investee. You can check out more of her work at or follow DayOne on Twitter at @DayOneResponse.
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B.S. in Civil Engineering at California Polytechnic State University M.S. in Civil & Environmental Engineering at California Polytechnic State Univeristy
Volunteer Opportunities
  • I am willing to be interviewed by interested students via email.
  • I am willing to answer written interview questions to be posted on the EngineerGirl website.
  • I am willing to create an article or short feature about my some aspect of my career for the website.
Latest Questions
  • Alejandra, Mexico asked Tricia Compas-Markman, DayOne Response, Inc.

    Added Friday, May 1, 2015 at 8:12 PM

    Hi Tricia, Can an industrial engineer work in environmental and sustainable development projects? I see the "traditional" way to do that is by studying civil engineering first and then a masters in environmental engineering, but I found that IE works with human resources, system design or re-design, operational research, business and productivity areas, etc. So I kinda wonder what to study first, what will give me a solid ground before developing in areas such as: - sustainable ...
    Related to Choosing a Degree, Civil, Engineering Branches, Environmental, Preparation for College
    Answers 0
  • jacob ray, fairchild wheeler high school asked Tricia Compas-Markman, DayOne Response, Inc.

    Added Monday, September 16, 2013 at 2:59 PM

    Hi, my name is Jacob. I'm doing an engineering project focusing on civil engineering. I just want to ask a couple questions. Do you have time in your day to spend time with your family? What is your average day like? And is your job stressful?
    Answers 1
    Tricia Compas-Markman, DayOne Response, Inc.
    Answered Monday, September 16, 2013 at 2:59 PM
    Hi Jacob,
    Thank you for your questions.  That is exciting that you are doing an engineering project focused on civil engineering.  I am happy to answer your questions.  First, I would like to give you a little background on career path.  I did not take ...
    Read More
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