When you accept a new senior role, you are stepping into a transition that fails more often than most executives realize. This guide is not motivational. It is a working framework, grounded in research, that should help you arrive at month four as a net contributor rather than a derailment statistic.
The stakes
Across multiple landmark studies, McKinsey and Company has reported that 27 to 46 percent of executive transitions are regarded as failures or disappointments within the first two years. (1) Other estimates run higher. The Corporate Executive Board has estimated that 50 to 70 percent of executives fail within 18 months of taking on a new role, regardless of whether they were external hires or internal promotions. (2) The Financial Times has cited former Heidrick and Struggles CEO Kevin Kelly: "We've found that 40 percent of executives hired at the senior level are pushed out, fail, or quit within 18 months." (3) Aon Consulting has reported there is roughly a 50 percent chance an executive will quit or be terminated within their first three years. (4)
The figures vary because the definition of failure varies. The directional truth does not. A substantial share of executive transitions go badly, and the cost when they do is significant. Harvard Business Review has estimated that the total cost of a failed executive transition equates to roughly 400 percent of the executive's salary. (5) The cost to the executive personally, in career trajectory, market reputation, and a lost year of life, is harder to quantify and usually worse.
Why they fail
The most consistent finding across the research is that executives do not fail because they lack the capability the role requires. McKinsey research has found that roughly 68 percent of new leader failures trace to organizational politics, culture, and people, not to functional or technical competence. (6) Egon Zehnder, in a study of more than 500 experienced executives, reached the same conclusion: new leaders do not usually stumble over skill gaps. They stumble over culture, politics, and relationships, specifically by failing to build the right ones fast enough. (7)
Another McKinsey finding: roughly three-quarters of executives consider themselves unprepared for a new position, and the gap is overwhelmingly attributed to poor onboarding rather than misjudgment of their own readiness. (8)
The implication is direct. Skill gets you the title. Coalition, context, and cultural fluency earn the outcomes.
The 90-day arc
Michael Watkins' 2003 work The First 90 Days (Harvard Business Review Press) remains the canonical framework. (9) Watkins identified five common transition contexts (start-up, turnaround, accelerated growth, realignment, sustaining success), arguing that the work of the first 90 days varies by which one you are walking into.
A note on the timeline: the first 90 days set the trajectory. They do not complete the transition. McKinsey research across more than 1,000 C-suite executives found that full integration typically takes 12 to 18 months. (10) If you are not feeling fully settled at day 90, that is expected. The framework is named for what you control in the first quarter, not for when the work is done.
Four working principles for executives stepping into a new senior role:
Diagnose the situation before you prescribe. Within the first two weeks, you should be able to articulate which of the Watkins situations you are in. A start-up requires a different operating posture than a turnaround. A turnaround requires a different posture than a realignment of a successful function. Most executives default to the situation they came from rather than the one they arrived in. That is a primary failure mode.
Listen before you act. Plan your first 30 days as an internal due diligence exercise. Meet your direct reports, your peers, your boss, and a representative slice of the organization beyond your immediate scope. Ask more questions than you answer. The executives who skip this step usually inherit a team without assessing it, ship the strategy they brought from their last role, and arrive at month six explaining why the organization is resistant to change.
Secure early wins, but the right ones. A win that was impressive in your former context but irrelevant in the new one signals that you have not yet read the room. Identify two or three early wins that demonstrate your understanding of what this organization actually values, and deliver them in the first 60 to 90 days.
Manage upward deliberately. Inside the first two weeks, establish with your boss how, when, and on what topics you will communicate. Most executive transitions are damaged by misaligned expectations with the boss, not by performance failures. Misalignment is preventable. Performance recovery from misalignment is not.
What 24 Hour Search does during this period
We stay engaged through your transition. Most search firms close the file when the offer is signed. We do not, because our client is not satisfied until you are established in the role, and our reputation rests on the placements that succeed at month 12, not just the ones that close.
We are not running an executive coaching engagement with you, but we are the third party who knows both you and the client well enough to surface friction before it becomes failure.
If you are reading this before you have started, the most useful thing you can do is treat the period between offer and start date as part of the transition. The work begins the day you accept, not the day you walk in.
The First 90 Days planning template walks through the situation diagnosis, listening tour, early win targeting, and upward communication plan.
Sources
(1) McKinsey and Company. (2018). Successfully Transitioning to New Leadership Roles. Cited failure rate range of 27 to 46 percent, compiled from multiple landmark studies. mckinsey.com
(2) Corporate Executive Board (now Gartner). Cited in industry analyses including Executive and Team Onboarding (Orgshakers, 2024).
(3) Kelly, K., former CEO of Heidrick and Struggles. Quoted in Financial Times. Cited in Nazemian, N. (2022), The Massive Costs of Failed Executive Onboarding.
(4) Aon Consulting. Cited in Wheeler, P. (2008), Executive Transitions Market Study, Institute of Executive Development.
(5) Harvard Business Review. Estimated cost of failed executive transition at approximately 400 percent of the executive's salary. Cited in Executive and Team Onboarding (Orgshakers, 2024).
(6) McKinsey and Company. Finding that 68 percent of new leader failures trace to organizational politics, culture, and people. Cited in How to Conduct Leadership Transitions for Long-Term Success (Wowledge, 2025).
(7) Egon Zehnder. Study of more than 500 experienced executives on transition failure modes. Cited in How Senior Leaders Can Fix Their Side Of Executive Onboarding (JobAdvisor, 2026).
(8) McKinsey and Company. Survey finding that approximately three-quarters of executives considered themselves unprepared due to poor onboarding. Cited in Executive and Team Onboarding (Orgshakers, 2024).
(9) Watkins, M.D. (2003, updated 2013). The First 90 Days: Critical Success Strategies for New Leaders at All Levels. Harvard Business Review Press.
(10) McKinsey and Company. Studies of over 1,000 C-suite executives indicating transition processes last 12 to 18 months. Cited in Nazemian, N. (2022), Mastering Executive Transitions.
Kristin Taylor is the Founder and Managing Member of 24 Hour Search, an executive search and talent advisory firm serving commercial real estate, professional services, and growth-oriented owners and operators. She partners with leadership teams on Director-through-C-suite hiring, with a focus on reducing the risk of a high-stakes leadership hire.
Connect with Kristin on LinkedIn or reach her at kristin@24hoursearch.com.