Closing advice from the Palace Hotels case: during a product-model transformation, trust an established methodology and mentor relationship over personal instinct, and bring in an external coach specifically to act as a guiding light — someone whose role is to keep the transformation oriented through the inevitable distractions, politics, and pressure to revert under stress.
This differs from Database Modernization via External Expert Mentoring, which uses an external expert for technical credibility on a specific migration; here the coach's value is holding the line on overall direction and methodology (in this case, Marty Cagan/SVPG's product-model teachings) when people inside the organization are too close to day-to-day pressure to trust their own judgment. Worth reading skeptically: the case comes from SVPG's own coaching practice describing its own client, so "get a coach" doubles as testimony for that offering.
At Palace Hotels the coaching relationship was unusually intensive and personal — weekly 1.5-hour sessions plus ad hoc article exchanges running from night into the early morning (7am) — which is offered as evidence that the "guiding light" framing is literal, not a euphemism for a lighter-touch advisory relationship. The quote captures the intended function precisely: "they're the guiding light... show you where you should go. Then you're not going to get lost. You may get distracted... then you know how to correct course and get back to it." The corollary quote — "stop having thoughts of my own and start trusting Mart's thoughts on everything that has to be done" — shows the leader explicitly ceding judgment to the coach during the transformation window, which is the mechanism's real cost: it only works if the leader is willing to suspend their own instincts when they conflict with the coach's course-correction.
Из тем: Transformation in Practice