World Concern Senior Leadership

  • Nick Archer

    Nick Archer

    President

  • Peter Macharia

    Peter Macharia

    Senior Director of Operations

  • Mark Estes

    Mark Estes

    Asia and Haiti Area Director

  • Katie Toop

    Katie Toop

    Director of Transformational Development

  • Nathan Roberts

    Nathan Roberts

    Senior Director of Finance

  • Angela Anderson

    Angela Anderson

    WCDO Board Chair

Nick Archer

Nick Archer

President

Nick Archer’s 40 years of acclaimed global development experience span four continents and include 22 years of service at World Concern in a myriad of different leadership roles, including Vice President, and Acting President. He passed with Distinction, a Masters in Rural Society Development from the University of Reading, England. He holds certifications in International Development, Security Management, and Conflict Resolution.

As President of World Concern, Nick manages and oversees financial and business development strategies for the ministry, while representing the organization’s interest and programs with various partner agencies, consortiums, associations, churches and donors.

“We have the privilege of serving some of the most vulnerable people around the world at a time when conflict and climate change are undermining people’s ability to not only provide a meaningful future for their families, but even survive,” explains Nick. "Poverty, in its myriad forms, continues to extinguish the dignity of many, rob children of their childhood, and consign people to a life without hope. Our work is to stand alongside those we serve, and reflect in what we do, how we do it, and what we say, the love and grace of God at the point of peoples' need.”

Nick and his wife Lisa have two grown children and three grandchildren.

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Peter Macharia

Peter Macharia

Senior Director of Operations

Peter has served with World Concern in a number of capacities over the past 10 years, including as a regional grant writer, country director for South Sudan, Kenya country director, Africa regional disaster response director, Africa Area Director and currently as Senior Director of Operations.

Peter’s post-graduate studies in geography and sustainable development attained in Kenya and the Netherlands, combined with nearly two decades of experience in development, have equipped him with skills to serve in this capacity.

“It gives me a great sense of fulfillment to see the lives of poor individuals and communities transformed to abundance,” says Peter. “We work with marginalized and vulnerable communities to help them overcome poverty, build their resilience to disaster and climate change, and achieve holistic development. I am blessed to support such a dedicated team working so hard to create sustainable water systems, develop community managed financial institutions that bring affordable and convenient financial services to the very poor, and improve food security and nutrition to impoverished families.”

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Mark Estes

Mark Estes

Asia and Haiti Area Director

Mark’s role as Asia and Haiti Area Director is focused on strengthening and expanding national programs through quality initiatives and empowering leadership and partners to serve the unreached poor with the Light of the Gospel. Since Mark joined our team in early 2011 and relocated to Bangkok, Thailand, Mark led the restructure of the Asia Office to move additional investments to our field programs and aligned to area and country level plans to new global strategies that have positioned expanded programs in our operational countries as well as new partnership opportunities.

Mark and his wife Marcia and their children are passionate about serving vulnerable and unreached children. They relocated to Seattle in 2015 where Mark continues his Asia leadership role and supports leadership development, strategic planning and expanded operational opportunities to increase World Concern’s qualitative as well as quantitative ministry to the poor. Mark holds an MA from Eastern University in International Organizational Leadership and brings over a decade of private sector corporate leadership and 20 years of International Leadership experience with another major Global Non Profits.

Mark oversees our work and partnerships in Haiti, Bangladesh, Laos, Nepal, Myanmar, Sri Lanka, and Vietnam.

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Katie Toop

Katie Toop

Director of Transformational Development

Katie grew up in the Seattle area but studied, worked, or served overseas for 13 years. She holds a Bachelor of Science in Physics from Bethel in Minnesota and a Master of Science with Distinction in Water and Environmental Management from Loughborough University’s Water, Engineering and Development Centre in the UK. Her international experience includes field-based positions and consultancies in both disaster response and community development in South and Central Asia and East Africa. Katie’s field work began with a focus on domestic water supply and sanitation but later broadened to integrated community development.

Katie joined World Concern in 2013 as a deputized worker in South Sudan. From 2014-2016, she served as World Concern’s Transformational Development Specialist for Africa, based in Nairobi. In 2016, she became the Director of Transformational Development and eventually moved back to Seattle. She loves teaching and facilitating, meeting new people, learning about new cultures, and leading worship. Compelled by God’s heart of relentless love for the poor and oppressed, her passion and commitment is to demonstrate compassion and promote justice wherever the Lord may lead.

Katie is a proud auntie to two nieces and four nephews.

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Nathan Roberts

Nathan Roberts

Senior Director of Finance

Nathan Roberts has over 20 years of experience in both corporate and nonprofit finance. After earning a Masters Degree in Applied Mathematics from the University of Washington, Nathan worked at Boeing for 17 years. Most recently, he served as the Finance Director for Seattle’s Union Gospel Mission using his business experience to serve the homeless population. Nathan has developed a passion for ministering to others while utilizing his financial expertise both vocationally and within the church by teaching personal finance classes and serving for two years on a council responsible for church finance oversight.

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Angela Anderson

Angela Anderson

WCDO Board Chair

Angela’s passion for missions drew her to World Concern, where she serves as chair of the board. Her desire to help the poorest of the poor and serve a miracle-working God is what drives her to dream big. Angela successfully led the Transform Gala committee for four years, helping raise more than $3 million over 3 years for World Concern’s work around the world.

Angela earned her degree in Business Administration at Seattle Pacific University and worked for Battelle Pacific Northwest Laboratory as an analyst. After working for Battelle for six years, she made a career shift to the advertising industry, serving as marketing manager at the American Cancer Society. There she enjoyed overseeing market research and program marketing for the counties of Washington State. Looking for another challenge, Angela moved to the for-profit sector as Marketing Manager for Baseline Graphic Arts Products in Auburn. There she managed marketing strategy, customer service and new product development for three years. She took a break from her career to raise her two boys. She currently works with her husband, Mark, at their firm, Tradewinds Capital Management in Shoreline.

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WCDO Board Members

  • Warren Van Genderen, President

    Corporate Director & Private Investor

     
  • Nick Archer

    President

    World Concern
  • Jon Yasuda

    COO

    CRISTA Ministries
  • Angela Anderson

    WCDO Board Chair

    Tradewinds Capital
  • Mark Anderson

    Managing Partner

    Tradewinds Capital
  • Cyrus Azima

    VP of Engineering

    AEG Presents
  • Florence Tramoni

    Volunteer

     
  • Francisca Engmann

    Volunteer

     
  • Kristina Grey

    Orthodontist

    Fey & Grey Orthodontics
  • Mark Grey

    Principal & Property Manager

    Stephen C. Grey & Associates
  • Christy Harper

    Vice President

    RV & Mobile Home Resorts
  • Morris Harper

    Retired President

    Houston Property Exchange
  • Seth Harper

    Account Executive

    Desert Cornerstone Insurance Services
  • Mindy Lee Irvine

    Volunteer

     
  • Bryan Sih, Secretary/Treasurer

    Senior Research & Development Manager

    Sialco Materials Ltd.
  • Francisco Vega

    CEO

    Sleep Medicine & Neurophysiology Services
  • Dr. Bill Rishel

    DVM, Retired

     
  • CRISTA Board

    View CRISTA Board Here