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Your First Quarter as Scale-Up COO: Align the Mandate, Find the Constraints, Build Ownership

Prioritize your first 90 days around a clear CEO partnership, an evidence-based view of operational constraints, and a small number of measurable improvements—not a company-wide overhaul.

By Jessica Hill Holm · Hill Holm Leadership Library

The workbook for this: Leadership Reset Workbook

Start With the Mandate, Not the Meeting Calendar

Your first priority as a new COO is not to make every part of the company more efficient. It is to understand what the business needs from your role, identify what is preventing progress, and help leaders execute without making you the new bottleneck.

At a tech scale-up, the COO title can cover anything from commercial operations to delivery, finance, people, or company-wide execution. A 90-day plan only works when that scope is explicit. Use the phases below as a sequence, not a rigid timetable: a cash, security, or customer crisis may require immediate intervention.

Days 1–10: Agree on Success With the CEO

Before accepting a long list of operational problems, establish a shared mandate with the CEO. Ask:

  • Why was this role needed now?
  • Which business outcomes should improve over the next six months?
  • What decisions can I make independently?
  • Which responsibilities remain with you and other executives?
  • Where do you want challenge, and where do you need execution support?

Turn the answers into a one-page agreement covering your scope, decision authority, initial priorities, and working relationship. Include boundaries with the CTO, CFO, and commercial leaders where those roles exist.

Discuss how the CEO will respond when employees bypass you or revisit decisions you own. Without that agreement, formal authority may mean little in practice.

Set a weekly CEO–COO conversation for decisions, tensions, and trade-offs—not just status reporting. Define what would make the CEO consider your first quarter successful.

Days 1–30: Understand How Work Actually Happens

Listen broadly, but organize your discovery around business outcomes rather than a tour of departments. Follow a customer commitment from sale through implementation, product delivery, support, and renewal. Where does information disappear? Where do teams wait? Where are promises disconnected from capacity?

Meet functional leaders and a representative sample of frontline employees. Ask what repeatedly blocks progress, which decisions lack an owner, and what should not change.

Review a small baseline of relevant evidence:

  • Cash runway and spending commitments, with finance.
  • Revenue quality, retention, and customer delivery risks.
  • Delivery predictability, reliability, and incident patterns.
  • Hiring capacity, critical vacancies, and leadership workload.
  • Current goals, recurring meetings, and unresolved cross-functional decisions.

Check metric definitions and data quality before drawing conclusions. A dashboard can look precise while different teams interpret its numbers differently.

By day 30, share a short diagnosis: strengths to protect, immediate risks, likely constraints, and questions still unanswered. Validate it with the people doing the work. Avoid presenting first impressions as settled facts.

Days 31–60: Choose the Few Changes That Matter

Prioritize problems using four questions:

  1. Business impact: Does this affect customers, cash, delivery, or a strategic commitment?
  2. Urgency: What becomes harder or more expensive if we wait?
  3. Evidence: Do we understand the cause, or only the symptoms?
  4. Capacity: Can the organization address this without compromising something more important?

Choose two or three priorities, not ten. Separate urgent containment from longer-term improvement. For example, an at-risk customer may need immediate executive coordination, while recurring onboarding delays require clearer handoffs and capacity planning.

For each priority, name one accountable owner, a measurable outcome, a review date, and the decisions or resources needed. Identify what will stop or wait to create capacity.

Pilot changes before rolling them out widely. If sales-to-delivery handoffs are failing, test a shared acceptance checklist with one team rather than immediately replacing the company’s tools.

Days 61–90: Make Execution Repeatable

Use the final month to turn successful changes into a lightweight operating rhythm. Build on existing practices where they work.

A useful rhythm includes:

  • A short weekly review of priority outcomes and exceptions.
  • Clear escalation triggers for risks and blocked decisions.
  • A shared record of decisions, owners, and deadlines.
  • A monthly review of capacity, spending, and strategic trade-offs.

Do not turn every issue into a COO approval. Your job is to make ownership clearer and decisions easier, not to become the routing point for all work.

At day 90, review outcomes against the baseline. What improved? What remains uncertain? What created unnecessary overhead? Agree with the CEO and leadership team on the next quarter’s priorities, including any structural changes the evidence now supports.

Protect Your Own Leadership Capacity

A common trap is proving your value by absorbing everyone else’s unfinished work. Instead, reserve time each week to reflect on where you are enabling leaders and where you are replacing them. Early credibility comes from sound judgment and reliable follow-through—not constant availability.

Jessica Hill Holm’s Leadership Reset Workbook creates space for reflection on your leadership, priorities, and personal development while your company scales. For leaders who want personal support navigating their new COO role, a coaching call offers a place to explore the challenges ahead.

Ready to work through this?

Creates space for reflection on your leadership, priorities and personal development while your company scales.

View the workbook
Recommended workbook

Leadership Reset Workbook

Creates space for reflection on your leadership, priorities and personal development while your company scales.

View the workbook

Frequently asked questions

Should a new COO reorganize the company in the first 30 days?
Usually, diagnose before restructuring. Clarify ownership and test targeted improvements first, unless an urgent risk requires immediate action. A reorganization should address an evidenced problem, not signal authority.
How should I measure success after 90 days?
Assess progress against the mandate agreed with the CEO: clearer decision ownership, measurable improvement in selected business priorities, and a working execution rhythm. Distinguish completed activities from actual outcomes.

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