Fractional COO
Provides senior operational leadership to improve workflows, strengthen internal systems, support executive teams, and build scalable infrastructure for nonprofits navigating growth, transition, or increasing complexity.
Strengthen your nonprofit with experienced fractional leadership, smarter systems, and practical organizational support tailored to Seattle's collaborative funding environment. From operations and HR to financial infrastructure and board-ready reporting, One Abacus Advisory helps mission-driven teams build clarity, resilience, and sustainable growth without the overhead of full-time executive hires.

Flexible advisory services that strengthen nonprofit leadership, systems, people operations, and long-term organizational performance.
Provides senior operational leadership to improve workflows, strengthen internal systems, support executive teams, and build scalable infrastructure for nonprofits navigating growth, transition, or increasing complexity.
Establishes effective operating rhythms, clearer departmental workflows, and stronger management practices so nonprofit teams can work efficiently and leadership can stay focused on mission delivery.
Delivers executive-level HR guidance for organizational development, compliance, people operations, and team health without requiring the cost of a permanent full-time HR leader.
Helps nonprofits select, configure, and launch HR systems that improve data management, streamline workflows, and support compliant, effective people operations across the organization.
Steps in during leadership changes or staffing gaps to maintain continuity, stabilize operations, and keep critical finance and organizational functions moving forward.
Partners with executive directors and boards to improve governance, clarify reporting, and translate complex operational and financial information into actionable decisions.
Organizational development support from One Abacus Advisory helps Seattle nonprofits strengthen leadership capacity, improve internal systems, and align operations with mission goals. Whether your organization is managing growth, preparing for board scrutiny, or adapting to the region's competitive grant landscape, fractional executive support provides practical structure, accountability, and clarity without adding unnecessary fixed overhead.

See how nonprofits strengthen operations, reporting, and leadership with experienced fractional advisory support.
Nonprofits rely on experienced, right-sized support that improves clarity, stability, and decision-making.
Deep nonprofit experience supports stronger governance, compliance, and mission-aligned organizational decisions.
Get senior COO, CFO, or HR guidance without adding full-time overhead to Seattle-area budgets.
Improve workflows, reporting, and accountability for teams managing complex programs and funding requirements.
Clear reporting helps Seattle nonprofits communicate confidently with boards, funders, and community stakeholders.
Experienced advisors for mission-driven nonprofit organizations.

Founder, Consulting CFO
Lorin Port is the Founder and Consulting CFO of One Abacus Advisory, bringing over 25 years of finance and accounting experience to the nonprofit sector. With a dedicated focus on nonprofit financial leadership for the past nine years, Lorin specializes in fractional CFO and COO services, nonprofit accounting, and NetSuite optimization. He has partnered with prominent organizations such as the San Diego Food Bank, Philadelphia Zoo, and Laguna Playhouse, delivering strategic financial guidance during periods of growth, transition, and complexity. Lorin is committed to empowering nonprofit leaders and boards with clear, actionable insights that drive stronger decisions and long-term organizational health. His flexible, right-sized approach ensures each client receives tailored support that aligns with their unique mission and operational needs.
Nonprofit organizational development services help strengthen the internal structure of an organization so it can operate more effectively and sustainably. This can include leadership support, workflow design, HR strategy, financial oversight, board reporting, systems implementation, and transition planning. The goal is to improve clarity, accountability, and capacity so staff and leadership can focus more effectively on mission delivery.
Talk with an experienced advisor about your nonprofit's needs.
Seasoned nonprofit finance and operations leadership.
Tailored support built for nonprofit organizations.
Flexible leadership without full-time overhead.
Share your organization's goals, challenges, and current capacity needs. We'll help you identify the right next steps for stronger operations and leadership support.
For immediate assistance, feel free to give us a direct call at +1 760-845-3808. You can also send us a quick email at lorin@oneabacusadvisory.com.
For immediate assistance, feel free to give us a direct call at +1 760-845-3808. You can also send us a quick email at lorin@oneabacusadvisory.com.