Vetted Chief of Staffs

Yoni Rubin

Screened

Executive business operations leader specializing in FinTech and high-growth technology

New York, NY14y exp

“Operations leader with 15 years spanning IPO support, startup business operations, M&A integration, and founder/CEO experience. He has built management systems from scratch, cut burn by 40% through ERP and governance implementation, and led an acquisition integration that tripled revenue by opening a new market.”

“Chief of Staff with experience driving cross-functional execution and executive alignment, including in real estate development environments with shifting timelines. Implements PM tooling (Notion/Monday.com) plus KPI/OKR systems to improve clarity, accountability, and executive productivity, and has experience mediating priority conflicts between functions like marketing and operations.”

Lauren Stein

Screened

Executive Chief of Staff specializing in operations, HR, and GTM enablement for SaaS

7y exp

“Chief of Staff with strong cross-functional leadership across go-to-market and product/engineering, focused on revenue-aligned prioritization and executive operating cadence. Implemented integrated Looker reporting to connect product usage/adoption with revenue, retention (GDR/NDR), churn risk, and upsell—enabling faster executive decision-making and clearer accountability.”

Daniel LeBlanc

Screened

Executive Operations Leader specializing in scaling high-growth and regulated businesses

11y exp

“Operator who has repeatedly stepped into high-growth, founder-led agencies to stabilize and scale execution across functions (hiring, GTM, finance, investor comms). Known for building lightweight operating cadences, dashboards, and decision artifacts anchored on leading indicators (time-to-value, unit economics, throughput) to improve margins, delivery speed, and reduce founder dependency.”

Nancy Meyer

Screened

Executive Chief of Staff specializing in healthcare operations and cross-functional execution

New York, NY29y exp

“Healthcare administration and executive operations leader with 15+ years at Mount Sinai Health System, operating as a strategic partner to senior leadership in a complex academic medical environment. She has evolved into chief-of-staff-style work focused on executive enablement, enterprise coordination, and strategic execution, and recently earned a Certified Chief of Staff credential. Notably, she led the buildout of a centralized administration team that improved executive support, operational efficiency, and cross-department collaboration.”

Marcus Benayon

Screened

Executive Chief of Staff and organizational psychologist specializing in family offices and healthcare

New York, NY17y exp

“Chief of Staff/operator-advisor with an unusual blend of healthcare operations, behavioral psychology, family office advisory, and ethical AI investing. Has led operational stabilization that drove ~70% revenue growth at a healthcare business, co-founded the North American arm of an ethical AI investment platform, and now advises UHNW families across governance, succession, philanthropy, and cross-border strategy.”

Matthew Knecht

Screened ReferencesStrong rec.

Executive Chief of Staff / Legal Operations leader in nonprofit public defense

Neptune, New Jersey11y exp

“Former attorney turned senior operations/Chief of Staff-style leader with ~20 years balancing strategy and day-to-day execution. Led multi-office expansions (e.g., launching a new Detroit office) and built a professionalized finance function with audit-ready controls to free up CEO bandwidth. Also led an emergency COVID-era shift to remote operations while safeguarding safety, morale, and revenue.”

“Chief of Staff at clinical-stage immunotherapy startup Tevogen Bio who grew from operations administrator into a senior executive support role as the company transitioned from pre-public to public. Brings hands-on experience with NASDAQ IPO support, SEC 10-Q coordination, ERP implementation, and acting as a proxy for the CEO across executive discussions.”

“Bootstrapped founder/fractional-CTO type building a community-first tooling platform and niche product lab, emphasizing trust and "family" culture. Operates extremely lean by self-hosting open-source LLM tooling locally and leverages a network of senior generalists willing to trade short-term compensation for learning and equity. Has worked across real estate tech, logistics, and hospitality POS and is applying a multi-modal "brain trails" concept to product opportunities.”

“Operations/program leader with experience supporting CEOs and scaling organizations through rapid expansion and multi-team initiatives. Implemented RACI + Asana-based execution systems and built board/KPI reporting cadences that improved executive decision speed and visibility across departments. Has worked across startups and in a foundation environment in C-suite-adjacent roles.”

“Chief of Staff at Molecular Affinities and former Investor Relations & Operations manager at JCAM Investments, with hands-on experience supporting capital raising while simultaneously tightening operations (website, investor onboarding, back office). Strong operator who implements and drives adoption of systems like HubSpot, Asana, and Slack to improve executive productivity and team accountability.”

“Chief of Staff/operator who joined venture-backed startup Blockless at the pre-seed stage and built the operating system from scratch while acting as the founder’s right hand. Combines startup execution, fundraising support, and deep Web3/DeFi domain fluency, including helping close a $3.5M seed round ahead of schedule with clean diligence materials.”

“Operator with an unusually cross-disciplinary background spanning an AI-native fintech, global offshore wind operations, DoD-focused media, a lean creative agency, law school, and a Master's in Business Intelligence. They position themselves as a Chief of Staff-style partner who brings order to messy, regulated, high-growth environments by translating across legal, technical, and business teams and building scalable workflows.”

“Recruiting leader who has managed teams of up to 6 while remaining hands-on with requisitions, owning end-to-end process design, ATS administration, and performance metrics reporting to senior leadership (including CFO/CPO). Built retention and quality feedback loops (7/30/90-day, 1-year check-ins and exit interviews) and drove process improvements like job description revisions to increase candidate quality and secure additional headcount when demand exceeded capacity.”

“Cross-functional operator and executive partner with experience leading ERP implementations, process redesign, quality initiatives, and platform/new-market launches. Known for building governance and executive-briefing systems that reduce operational noise, protect leadership bandwidth, and keep large multi-division organizations aligned—while maintaining discretion during sensitive restructurings.”

“Chief of Staff and public-sector leader who has stood up new functions from scratch—hiring 26 people and building governance/processes across 8 locations—while navigating high-stakes regulatory stakeholders. In industry, implemented OKRs and performance systems (Leapsome) and led change communications to improve executive productivity and cross-team accountability.”

“Business development leader from PDD (product design & innovation consultancy) with high-functioning Chief of Staff/EA-style experience coordinating six business owners and ~20 multi-region designers. Led annual conference/event strategy and logistics (budgets, travel/visas, speaking/booths) and implemented productivity systems like CRM migration, standardized calendar/email protocols, and time-blocking to speed reporting and decision-making.”