Meet Lorin Port

Founded by a nonprofit CFO who has sat in your board seat.

Lorin Port has spent more than 15 years inside nonprofit finance seats, from food banks to private schools, presenting to the same boards she now serves. She started One Abacus because those boards deserve senior finance leadership fluent in restricted funds, grant cycles, and mission risk from day one - not learning it on your engagement.

Portrait of Lorin Port, Founder and Consulting CFO of One Abacus Advisory.
Quiet advisory workspace with laptop and hand-bound planning notebooks.
The founder

They call her the “non‑profit matchmaker”.

It started as a compliment from a client. It stuck. Fifteen-plus years inside nonprofit finance seats - food banks, museums, zoos, private schools - taught Lorin to read an organization as closely as its financials, so she knows which of her CFOs, senior finance directors or controllers belongs in your seat. She holds a BS in Business Administration with an Accounting emphasis from San Diego State University. Her career began in for-profit finance and converged, more than 15 years ago, within the sector where financial rigor most directly translates into mission delivered.

Lorin on LinkedIn
Founder credentials

The career underneath every engagement.

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Finance years
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Nonprofit years
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Sectors served
Diverse team of colleagues working around a laptop in a bright open office.
Our approach

Written promises, not consulting slogans.

The way we work is deliberate. These are the do and do-not rules the firm operates by, in the same words we use with boards.

  • We lead with your mission
    Outcomes for the community you serve come before every operational recommendation.
  • We speak nonprofit, not startup
    No ROI, revenue growth, or profit-margin framing. Restricted funds, program allocation, and mission risk instead.
  • We report to your board first
    Executive summaries a director can read on a plane. Detail available underneath for the audit committee.
  • We collaborate with your team
    Program leaders help us allocate resources. Our recommendations arrive with the people who will execute them already onboard.
Client voices

Six named nonprofit leaders on the work.

Each proposal is paired with the specific engagement outcome it followed, so you can see the shape of the work, not just the sentiment.

“
Marjorie's calm confidence and friendly demeanor provided us with stability during our transition.
Outcome

Seamless interim Director of Accounting coverage during permanent recruitment. Month-end closes continued without a missed cycle.

AT
Allyson Tutor
CFO, San Diego Food Bank
“
Their expertise, efficiency, and calm command of the work immediately gave our staff and board confidence.
Outcome

Crisis-period finance leadership through complex audit preparation. Day-to-day operations covered without disruption.

AA
Adele Adkins
Managing Director, Laguna Playhouse
“
Their optimization of our NetSuite environment has significantly enhanced our reporting capabilities.
Outcome

NetSuite reconfiguration and executive-team financial literacy uplift during a leadership transition.

DJ
Dr. Jo-Elle Mogerman
President, Philadelphia Zoo
“
One Abacus' outside viewpoint and collaboration allowed us to create a more effective budgeting system.
Outcome

New budgeting system and cash-forecasting cadence delivered and adopted by the finance team.

IM
Ingrid M. Nyholm-Lange
COO, American Swedish Institute
“
They quickly mobilized a talented group of professionals who handled everything with expertise and ease.
Outcome

Day-to-day accounting and audit preparation carried through a critical grants-heavy period.

BS
Brenda Simmons
CEO, Institute for Public Strategies
“
Their expertise was instrumental as we rebuilt our financial operations from the ground up.
Outcome

Financial-operations reconstruction alongside an organizational restructuring.

KR
Kelly Ricker
COO, Global Technology Industry Association