Executive Assistant & Firm Operations Manager

Job Description

About Mann Partners

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Mann Partners is a founder-led operating-model transformation firm that helps CEOs and private equity sponsors unlock value faster. We align strategy, operating model, and talent so growth plans, deals, and restructurings delive. Our senior team assesses, designs, and implements the change alongside client leadership.

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About the role

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This role supports our Founder directly. You'll be her right hand and the person who runs the firm's operations day-to-day. This is not a role for keeping things running as they are today. We want someone who will automate and streamline the work, using AI to do it, where it makes sense.

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What you'll own

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• Executive support for the Founder: Manage a demanding calendar and inbox, act as gatekeeper for requests, prepare agendas and briefing materials before key meetings, coordinate travel, process expenses, and track follow-ups until they're closed.
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• Firm operating rhythm: Run the internal firm meetings, and keep an action log of what needs to be closed out.
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• Talent operations: Coordinate hiring logistics and own onboarding end-to-end, so every new joiner has a laptop and working accounts on day one.
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• Workplace, technology, and compliance: Manage the office and IT vendors, the device and account lifecycle, and one firm calendar covering insurance, registrations, filings, and renewals.
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• Finance administration: Review expenses, capture billable expenses, follow up on receivables, and keep timesheets compliant, working alongside our finance lead.
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• Business development support: Keep the CRM clean, produce proposals, and chase follow-ups with our BD and marketing lead.
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AI and automation are central to this role

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We expect you to treat every recurring task as a candidate for automation. In your first months, you'll audit how work flows through the firm, identify where AI and automation can remove manual steps, and build those workflows. Examples include scheduling, meeting prep, expense and timesheet follow-up, onboarding, and reporting. You'll also help colleagues adopt these tools, so that the whole firm gets more efficient, not just this role.

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Who you are

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• You have 4–8+ years in executive support, firm administration, office management, or business operations, ideally at a consulting firm, law firm, agency, or investment firm, with experience supporting a senior leader directly.
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• You build systems rather than holding everything in your head. You document, automate, and leave things better than you found them.
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• You already use AI tools in your daily work and can point to specific processes you've automated or streamlined.
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• You're calm and decisive with a demanding schedule and changing priorities, and you drive work to completion without being asked.
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• You handle confidential client, financial, and personnel information with complete discretion.
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• You're excited to work onsite in our Greenwich office five days a week.
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