Vannin Chief of Staff

What Vannin Chief of Staff does

Vannin Chief of Staff is a specialist professional services and talent firm focused on chief of staff role definition, assessment, and recruitment. It was acquired by The Chief of Staff Association (CSA) on January 21, 2026 and now operates within CSA under the "CSA Talent" brand, with Vannin's recruitment expertise integrated alongside CSA's membership, certification, and executive education programmes.

The company delivers four interlocking service lines. First, Full-Time Search provides permanent chief of staff recruitment through a structured four-step process (solution scoping with CEOs, multi-step candidate screening delivering 3–5 finalists, custom interview design, and onboarding support via the proprietary Chief of Staff Accelerator Programme). Second, Fractional and Interim placement delivers part-time chief of staff consultants (10–20 hours/week, 9–12 month engagements) and interim placements (40 hours/week, 3–6 months) for transitions, parental leaves, or growth stages. Third, Advisory services target private equity firms, family offices, and corporates with operating model design, capability development, coaching, and governance/execution frameworks. Fourth, the firm benefits from CSA's education and certification stack: executive education at Harvard Business School, Oxford Saïd, and SDA Bocconi, plus the Certified Chief of Staff® credential and Core/Advanced competency programmes (10 weeks each).

Revenue is generated through professional services fees (search, fractional, advisory) and, at the CSA parent level, annual membership subscriptions capped at 500 new members per year. The customer base spans enterprise organisations whose executives employ a chief of staff (members include Microsoft, FEMA, US Marine Corps, UL Solutions, with visible logos also including Pfizer, Netflix, Salesforce, Adobe, Meta, and the United Nations), as well as growth-stage companies (Venwise, WALR, GRIN) that have engaged Vannin for fractional or full-time placements. Vannin is incorporated as Vannin Consulting, LLC (US jurisdiction), operates from offices in New York, London, Denver, and Melbourne, and serves a global market in which approximately 65% of Fortune 500 CEOs now employ a chief of staff.

Name

Vannin Chief of Staff

Legal name

Vannin Chief of Staff

Website

https://vanninchiefofstaff.com

Company type

Private

Founded year

2020

Operating status

Acquired

Headcount range

1–10 employees

Short description

Vannin Chief of Staff is a specialist recruitment and advisory firm focused on placing full-time, fractional, and interim chiefs of staff, serving CEOs, private equity firms, family offices, corporates, and growth-stage companies, now operating as CSA Talent within The Chief of Staff Association post-January 2026 acquisition.

Ownership category

akta.pro rank

Product category

Executive Search & Talent Advisory

NAICS

Executive Search Services (561312), Management Consulting Services (54161)

SIC

Services-Management Consulting Services (8742), Services-Membership Organizations (8600)

akta.pro primary industry

Cloud, DevOps & Infrastructure Staffing (BPACADAD)

akta.pro secondary industry

Manager & Team Leader Onboarding (EDABAOAC)

Keywords

• Executive search services
• Chief of staff recruitment
• Fractional executive placement
• Talent advisory consulting
• Executive role advisory

Headquarters

HQ city

Denver

HQ country

United States

HQ region

North America

Offices4 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Technology or R&D

Revenue model

1. Membership Subscriptions: Annual membership subscriptions to the Chief of Staff Association, capped at 500 new members per year, providing access to community, education, certification, events, and peer networks.
2. Executive Education Programmes: Revenue from in-person residential executive education programmes at Oxford (Saïd Business School), Harvard Business School, and SDA Bocconi School of Management, designed for senior chiefs of staff.
3. Full-Time Chief of Staff Recruitment: Permanent chief of staff search services led by experienced chiefs of staff, including job description design, candidate screening, interview process support, reference checks, and onboarding through the proprietary Chief of Staff Accelerator Programme.
4. Fractional and Interim Chief of Staff Placement: Placement of fractional (part-time, 10-20 hours/week, 9-12 month engagements) and interim (temporary, 3-6 months, 40 hours/week) chief of staff consultants into client organisations.
5. Advisory and Consulting Services: Advisory and consulting engagements for organisations building chief of staff capability, including operating model design, coaching, capability building, governance and execution frameworks. Serves private equity, family offices, and corporates.

Pricing tiers

Go-to-market motion3 records

Distribution channels5 records

Marketing channels8 records

Core offering

Vannin Chief of Staff is a specialist professional services firm focused exclusively on the chief of staff role, providing permanent executive search, fractional/interim chief of staff placement, and advisory consulting. Following its January 21, 2026 acquisition by The Chief of Staff Association (CSA), the firm now operates as CSA Talent within CSA's broader professional body infrastructure.

Product overview

Vannin Chief of Staff (now part of the Chief of Staff Association following January 2026 acquisition) is a specialist professional services firm providing chief of staff role definition, assessment, and recruitment services. The integrated CSA platform offers a portfolio of interconnected services: full-time permanent search and fractional/interim chief of staff placement (recruitment services); advisory and consulting for operating model design and capability development (advisory services); professional certification through the Certified Chief of Staff credential earned via competency programmes or executive education at Harvard Business School, Oxford Saïd Business School, and SDA Bocconi School of Management (education/certification); and member community networking through events, mentorship, and peer roundtables. The offering serves CEOs, boards, private equity firms, family offices, and corporates seeking to hire or develop chief of staff capability.

Differentiator

Problem solved

Functional benefit

Products and services

• Full-Time Search Permanent executive search service that identifies, assesses, and places chief of staff professionals into full-time roles for CEOs, founders, leadership teams, private equity firms, family offices, corporates, and growth companies.
• Chief of Staff Consultants (Fractional & Interim) Placement of experienced chief of staff consultants into fractional and interim engagements, providing organisations flexible, short-term access to senior operational, strategic, and execution support without a full-time hire.
• Advisory Services Consulting and advisory engagements that support organisations in chief of staff role definition, design, and organisational effectiveness, leveraging practitioner-led expertise.

Quantifiable outcome

• Full transparency on portfolio performance and 25% less time spent in admin meetings for a private equity client after implementing operating system and coaching.
• +2 more outcomes

Named customers9 records

Segments5 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Five partnerships are on record, tiered core and minor.

• SDA Bocconi School of ManagementcoreStrategic or Co-development Partner · 16 April 2026CSA partners with SDA Bocconi to deliver the world's first executive education programme on geopolitical leadership for chiefs of staff. The four-day residential programme in Rome covers geopolitical context and global risk, regulatory and institutional complexity, decision-making under uncertainty, and the chief of staff as strategic interpreter. Participants receive the Certified Chief of Staff® credential and an SDA Bocconi certificate of attendance. The partnership expands CSA's global education portfolio alongside Oxford and Harvard Business School.
• Vannin Chief of StaffcoreStrategic or Co-development Partner · 21 January 2026The Chief of Staff Association acquired Vannin Chief of Staff on January 21, 2026. The acquisition expands CSA's offering to include specialist chief of staff recruitment alongside fractional chief of staff capability. Vannin's approach to role definition, assessment, and recruitment is integrated with CSA's education and certification model. Vannin CEO Keziah Wonstolen (listed as Keziah or Keziah Wonstolen/Kaitlin Boileau on different pages) continues to lead the talent business within CSA.
• Harvard Business SchoolcoreStrategic or Co-development PartnerCSA Harvard Executive Education Programme — an intensive residential programme at Harvard Business School equipping chiefs of staff with strategic insight and leadership skills. Focus areas include Executive Presence, Self-Reflection & Growth Mindset, Ambidextrous Leadership, and Mastering Difficult Conversations. Participants earn the Certified Chief of Staff® credential and join the CSA's certified member community.
• University of Oxford (Saïd Business School)coreStrategic or Co-development PartnerCSA Oxford Executive Education Programme — an in-person residential programme in Oxford exploring the systems, structures, and dynamics shaping a chief of staff's environment. Learning objectives include Beyond the Horizon (reading the external environment), Strategy and Execution, Decision-Making with Uncertainty, and Creating the Conditions for Better Decisions. Participants engage with Oxford academics and distinguished political, diplomatic and business leaders.
• Milltown PartnersminorStrategic or Co-development PartnerCSA partnered with Milltown Partners to produce a research report on leadership challenges CEOs face in balancing stakeholder expectations, operational demands, and strategic priorities. The report is available through the CSA's thought leadership resources.

Scale indicators3 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Korn Ferry: Global organisational consulting firm with a large executive search practice and adjacent talent advisory services. Most comparable as a broad incumbent that could expand into the chief-of-staff niche given its scale and client base.
• Robert Half: Large publicly traded staffing and consulting firm with a dedicated executive search and interim placement practice. Comparable as a broad incumbent providing specialist-to-executive staffing services that could expand into the CoS vertical.
• LHH (Lee Hecht Harrison): Global talent and career transition consultancy that places interim and fractional executives. Closely comparable to Vannin's fractional and interim chief-of-staff placement offering, especially for transitions, parental leaves, and turnaround engagements.

Direct peers

• Heidrick & Struggles: Global executive search and leadership advisory firm with strong relationships in PE and family office segments — both primary customer segments for Vannin/CSA. Closely comparable business model and client overlap.
• Egon Zehnder: Privately held global executive search and leadership advisory firm with a partner-led model. Comparable in being a privately held, premium search firm with strong practitioner credentials — similar positioning to Vannin's premium niche.
• Spencer Stuart: One of the world's leading retained executive search firms, with deep relationships across Fortune 500 boards and CEOs. Direct competitor for senior executive placements and a natural entrant into the chief-of-staff search vertical.
• Odgers Berndtson: International executive search firm with strong presence in the UK and a track record in private equity and family office advisory. Comparable given Vannin's PE/family office client concentration and London headquarters.
• Russell Reynolds Associates: Global executive search firm with strong functional and sector practices, including emerging C-suite and operating-role verticals. Direct competitor for the same C-suite-adjacent placements Vannin/CSA Talent focuses on.

Emerging players

• YPO (Young Presidents' Organization): Premier global membership community for CEOs and senior executives, with peer learning, education, and events. Comparable as a curated executive membership organisation, though YPO's focus is on principals rather than their chiefs of staff.

Others

• Aspen Institute: Educational and policy organisation known for leadership development programmes and convenings. Comparable as an ecosystem partner in the executive education layer that CSA competes with or partners alongside for premium leadership development.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/vannin

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Vannin Chief of Staff