Updated:
CFO Advisors
CFO Advisors was established to manage the personal capital of Mark Ernst, whose career spans C-suite roles at American Express, Fiserv, and H&R Block.
CFO Advisors
CFO Advisors was established to manage the personal capital of Mark Ernst, whose career spans C-suite roles at American Express, Fiserv, and H&R Block. The wealth origin traces to a liquidity event following his tenure as chief executive of the tax preparation giant, supplemented by compensation from senior financial-technology leadership positions. The office maintains a distributed footprint with presences in San Francisco, Palo Alto, Cambridge, Cleveland, and Montreal, reflecting a talent-sourcing model rather than a regional investment mandate. The investment strategy centers on direct venture capital with a sector-agnostic lens weighted toward enterprise software, fintech, and industrial technology. Rather than anchoring a fund or participating as a limited partner, CFO Advisors structures individual equity positions in early-stage companies, typically from seed through Series A. The portfolio has backed founders building in applied AI, developer tools, and mobility infrastructure. Geographic exposure extends across North America, with deal flow concentrated in the Bay Area, the Boston-Cambridge corridor, and the Montreal-Toronto tech ecosystem. The office does not publicly disclose portfolio composition, but operational signaling points to an engagement model where Ernst and his team contribute go-to-market and regulatory expertise to portfolio companies. The firm has not disclosed total assets under management or cumulative deployment figures. The multipoint office structure — spanning five cities in two countries — suggests an operational footprint built for direct sourcing rather than passive allocation. Adjacent philanthropic or operating-company vehicles have not been publicly identified. Ernst's governance-and-compliance background, forged across regulated financial-services enterprises, informs a posture that likely emphasizes structured diligence and board-level engagement, though the office has not detailed its post-investment practices in public filings. What structurally separates CFO Advisors from peer single-family offices is its refusal to adopt a fund-of-funds or hybrid model. The office runs exclusively direct — no LP commitments, no co-investment syndicate memberships disclosed — placing it among a subset of operator-led family offices that treat venture exposure as an extension of executive capability rather than an asset-class allocation problem to solve through external managers.
General information
Firm type
Single Family Office
Year founded
—
AUM
Undisclosed
Location
Region
North America
Country
United States
City
San Francisco
Corporate office
San Francisco, CA, United States
Additional offices
Cambridge, MA · Cleveland, OH · Palo Alto, CA · Montreal, QC, Canada
Principals
Mark Ernst
Managing Partner
Sector focus
Frequently asked questions
Who runs investment decisions at CFO Advisors?
Mark Ernst serves as Managing Partner and leads investment decisions. His executive background includes CEO roles at H&R Block and senior leadership positions at Fiserv and American Express, giving the office a compliance-and-operations lens on venture-stage diligence. The investment committee structure has not been publicly detailed, but the office's small, geographically distributed footprint suggests centralized decision-making.
Does CFO Advisors participate in fund commitments or only direct deals?
The office conducts exclusively direct investments, writing equity checks into early-stage companies without participating as a limited partner in venture funds. This places CFO Advisors in a distinct category of operator-led family offices that avoid the fund-of-funds model entirely, likely to maintain full control over position sizing and post-investment engagement.
What investment stages does CFO Advisors typically target?
CFO Advisors concentrates on seed and Series A rounds, occasionally entering at pre-seed when the founding team has prior enterprise relationships. The office does not publicly disclose a stage-specific check-size range, but the early-stage focus aligns with Ernst's model of contributing operating expertise during the go-to-market and regulatory-buildout phases.
How does CFO Advisors source proprietary deal flow?
The office sources opportunities through executive networks across the Bay Area, Boston-Cambridge, and Montreal-Toronto corridors, with additional touchpoints in Cleveland. Ernst's tenure across regulated financial-services enterprises — American Express, Fiserv, H&R Block — provides direct lines to founders building in fintech, developer infrastructure, and compliance-adjacent enterprise software.
Where does the underlying wealth come from?
The wealth originated from Mark Ernst's career as a financial-technology executive, most notably his tenure as CEO of H&R Block, where he led the company through a period of digital transformation and regulatory engagement. Prior compensation from senior roles at Fiserv and American Express also contributed to the capital base managed by CFO Advisors.
Does CFO Advisors maintain philanthropic structures, and how are they separated?
No philanthropic foundation or donor-advised fund tied to CFO Advisors or Mark Ernst has been publicly identified. The office appears to operate exclusively as an investment vehicle without a disclosed charitable arm, though absence of public disclosure does not confirm absence of private giving structures.
What is CFO Advisors' known posture on co-investments alongside external GPs?
The office has not disclosed participation in systematic co-investment programs or club-deal syndicates. Given its exclusively direct venture model and absence of fund commitments, any co-investment alongside GPs would likely occur on an opportunistic, relationship-driven basis rather than through formal co-investment vehicles.
Profile maintained by Altss using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: . Continuous refresh with full update cycles at least every 30 days.
Need institutional-grade insight on family offices?
Altss delivers:
Prefer a guided tour?
We’ll walk you through: