The EWB-USA Executive and Leadership Team

May, 2026

Leadership Overview

The EWB-USA has 10 executives leading key functions including strategy, finance, chapter operations, and project management.

Driven by community empowerment, The EWB-USA is dedicated to supporting community-driven development through sustainable engineering projects, addressing basic human needs globally with innovative solutions.

Leadership Roles at The EWB-USA

  • Chief Executive Officer - Boris Martin
  • Chief Financial Officer - Regina Kolc
  • Co-President - Bennett Lewis
  • Chapter President - Jeremiah Hubbard
  • Chapter President - Amelia Chong
  • Chapter President - Alex Varvaris
  • President, Garden Bed Design Project - Marie-Chantal Nyirahategekimana
  • President, Western Chapter (Australia) - Chloe Mellitchey
  • Chapter President - Mason Hamar
  • Regional President, Lakes Steering Committee - Amanda Lefebvre
  • Boris Martin - Chief Executive Officer

    Boris Martin, the Chief Executive Officer at The EWB-USA, directs the organization's overarching strategy and operational framework. Martin guides the nonprofit's mission to support community-driven development through sustainable engineering projects, focusing on critical infrastructure like water, sanitation, energy, and agriculture. This leadership role involves fostering partnerships with communities globally and ensuring the effective execution of initiatives like the International Community Program and the Community Engineering Corps. Martin's strategic direction empowers communities and builds resilience through innovative engineering solutions. Boris Martin ensures alignment with the core values of Engineers Without Borders USA, driving impact and lasting change across all organizational endeavors. The Chief Executive Officer's purview encompasses resource allocation and long-term planning to maximize the organization's humanitarian impact.

    Regina Kolc - Chief Financial Officer

    Regina Kolc, the Chief Financial Officer at The EWB-USA, manages the organization's financial health and fiscal strategy. Kolc oversees all financial operations, including budgeting, financial reporting, and resource allocation to support sustainable engineering projects worldwide. This critical role ensures the fiscal integrity of initiatives focused on water, sanitation, energy, and agriculture, directly impacting the organization's ability to empower communities. Regina Kolc works closely with leadership to secure funding and manage expenditures for programs like the International Community Program and the Community Engineering Corps. The Chief Financial Officer's expertise is vital for maintaining operational efficiency and maximizing the impact of volunteer efforts. Kolc's financial oversight enables The EWB-USA to build resilience through sound financial management and strategic investment in community development.

    Bennett Lewis - Co-President

    Bennett Lewis, the Co-President at The EWB-USA, shares leadership responsibilities for driving the organization's strategic objectives and operational execution. Lewis collaborates on guiding the nonprofit's commitment to community-driven development through sustainable engineering projects, addressing fundamental needs in water, sanitation, energy, and agriculture. This co-presidency involves fostering strong relationships with communities and volunteers, ensuring the successful implementation of programs. Bennett Lewis contributes to the overall vision of empowering communities and building resilience through innovative engineering solutions. The Co-President's role is integral to advancing the mission of Engineers Without Borders USA, promoting impactful projects and volunteer engagement. Lewis's shared leadership ensures comprehensive oversight and strategic alignment across key organizational functions.

    Jeremiah Hubbard - Chapter President

    Jeremiah Hubbard, the Chapter President at The EWB-USA, leads a specific regional chapter's engagement with community-driven development projects. Hubbard oversees the local implementation of sustainable engineering initiatives, focusing on critical infrastructure needs such as water, sanitation, energy, and agriculture within their designated area. This leadership position involves mobilizing local volunteers and managing project lifecycles to create lasting change. Jeremiah Hubbard ensures that chapter activities align with the broader mission of Engineers Without Borders USA, empowering communities and building resilience. The Chapter President's role is crucial for grassroots impact, fostering local partnerships and delivering tangible results through volunteer efforts. Hubbard's dedication drives the success of local projects and strengthens the organization's global reach.

    Amelia Chong - Chapter President

    Amelia Chong, the Chapter President at The EWB-USA, directs a local chapter's efforts in executing sustainable engineering projects. Chong focuses on facilitating community partnerships and volunteer engagement to address essential infrastructure needs, including water, sanitation, energy, and agriculture. This role is pivotal in translating the organization's mission into tangible outcomes at the community level. Amelia Chong ensures that chapter operations adhere to the principles of Engineers Without Borders USA, fostering empowerment and resilience through engineering solutions. The Chapter President's responsibilities include project oversight, resource management, and promoting the organization's values within the local context. Chong's leadership is instrumental in driving the success of chapter-led initiatives and expanding the organization's impact.

    Alex Varvaris - Chapter President

    Alex Varvaris, the Chapter President at The EWB-USA, spearheads a local chapter's contribution to sustainable engineering projects. Varvaris leads initiatives focused on improving water, sanitation, energy, and agricultural infrastructure in partnership with communities. This position involves coordinating volunteer teams and ensuring project objectives are met, fostering community-driven development. Alex Varvaris champions the mission of Engineers Without Borders USA, working to empower communities and build resilience through practical engineering solutions. The Chapter President's role is essential for local impact, driving project success and strengthening community relationships. Varvaris's leadership ensures effective project execution and alignment with the organization's humanitarian goals.

    Marie-Chantal Nyirahategekimana - President, Garden Bed Design Project

    Marie-Chantal Nyirahategekimana, the President, Garden Bed Design Project at The EWB-USA, leads a specific, focused initiative within the organization. Nyirahategekimana directs the design and implementation of sustainable garden bed solutions, contributing to agricultural development and community food security. This specialized role involves overseeing project planning, resource coordination, and volunteer management for this particular endeavor. Marie-Chantal Nyirahategekimana ensures that the Garden Bed Design Project aligns with the broader goals of Engineers Without Borders USA, promoting resilience and community empowerment through targeted engineering solutions. The President's leadership is crucial for the successful execution of this specific project, delivering tangible benefits to participating communities. Nyirahategekimana's focus drives innovation in agricultural infrastructure.

    Chloe Mellitchey - President, Western Chapter (Australia)

    Chloe Mellitchey, the President, Western Chapter (Australia) at The EWB-USA, leads the organization's operations and initiatives within Australia. Mellitchey directs the chapter's engagement in community-driven development through sustainable engineering projects, focusing on critical infrastructure needs in water, sanitation, energy, and agriculture. This international leadership role involves fostering local partnerships and managing volunteer efforts to create lasting change. Chloe Mellitchey ensures that the Western Chapter's activities align with the global mission of Engineers Without Borders USA, empowering communities and building resilience. The President's leadership is vital for regional impact, driving project success and strengthening community relationships across Australia. Mellitchey's strategic oversight enhances the organization's international reach and effectiveness.

    Mason Hamar - Chapter President

    Mason Hamar, the Chapter President at The EWB-USA, manages a local chapter's contribution to sustainable engineering projects. Hamar oversees the execution of initiatives aimed at improving water, sanitation, energy, and agricultural infrastructure in partnership with communities. This role involves coordinating volunteer teams and ensuring project objectives are met, fostering community-driven development. Mason Hamar champions the mission of Engineers Without Borders USA, working to empower communities and build resilience through practical engineering solutions. The Chapter President's role is essential for local impact, driving project success and strengthening community relationships. Hamar's leadership ensures effective project execution and alignment with the organization's humanitarian goals.

    Amanda Lefebvre - Regional President, Lakes Steering Committee

    Amanda Lefebvre, the Regional President, Lakes Steering Committee at The EWB-USA, leads a specific regional committee focused on key initiatives. Lefebvre directs the strategic planning and execution of projects within the Lakes region, emphasizing sustainable engineering solutions for water, sanitation, energy, and agriculture. This leadership position involves coordinating efforts across multiple stakeholders and ensuring alignment with the organization's core mission. Amanda Lefebvre works to empower communities and build resilience through effective project management and volunteer engagement. The Regional President's role is critical for driving progress in the designated region, fostering collaboration and delivering impactful development outcomes. Lefebvre's oversight ensures the successful implementation of regional projects and strengthens The EWB-USA's presence.

    Explore Leadership Teams in Non-Profit & Charitable Organizations

    Frequently Asked Questions Regarding The EWB-USA Top Executives and Leadership Team

    Who leads The EWB-USA?
    The EWB-USA is led by Boris Martin (Chief Executive Officer), along with executives such as Regina Kolc (Chief Financial Officer) and Bennett Lewis (Co-President).
    Who is part of The EWB-USA’s executive team?
    The executive team of The EWB-USA includes leaders such as Boris Martin (Chief Executive Officer), Regina Kolc (Chief Financial Officer), Bennett Lewis (Co-President) and other senior executives.
    How many executives does The EWB-USA have?
    The EWB-USA has 10 executives leading key business areas.
    What roles are included in The EWB-USA’s leadership team?
    The leadership team of The EWB-USA includes roles such as Chief Executive Officer, Chief Financial Officer, Co-President, Chapter President, Chapter President.