John’s August post makes a specific case for internal candidates: their strengths and struggles are already visible. That history can help a leader design the right promotion and support, provided the person actually wants the new role.
Illustrative operating example — not a client result
An internal candidate knows the plant but needs people-leadership support
Imagine a 200-person machining company hiring a supervisor for a second shift. An experienced lead knows the equipment, customer priorities, and the failure points in the handoff. Their managers also know they avoid difficult feedback conversations. An external candidate brings supervisory experience but must learn the plant and its customer demands.
The hiring team asks whether the lead wants to manage people, tests both candidates against the same role requirements, and treats the known feedback gap as a coaching plan rather than a hidden surprise. The internal candidate’s history is useful evidence; familiarity alone is not a promotion decision.
Start with evidence you already have
An internal candidate has a work history leaders can examine: decisions under pressure, collaboration, technical skill, and the support they needed. Do not turn familiarity into an assumption that the person will succeed without preparation.
Compare the real demands of the role
Write down the new decisions, relationships, and people responsibilities. Match them to demonstrated capability and development needs, rather than treating the promotion as a reward for excellent technical work.
Discuss the visible gaps honestly
Known difficulties can be useful because a leader can prepare for them. Agree on coaching, training, and checkpoints before the person starts, and give them room to decline a management role.
Keep the external search honest
Outside candidates may bring valuable experience. Compare both paths against the same role requirements and evidence. John’s point is to examine the talent already in the building before assuming it cannot fill the need.
Evidence to review for an internal promotion
List the new role’s outcomes before discussing a candidate. Compare the person’s demonstrated judgment, communication, and follow-through with those outcomes, using examples from more than one supervisor when possible.
Separate familiarity with the plant from readiness to manage people. A strong technician may need practice with feedback, conflict, and documentation; that is a support plan, not a reason to assume the person cannot grow.
Document the selection reason and the first development priorities. Internal candidates deserve an honest account of the job they are entering, and other employees deserve a process whose standards they can understand.
Frequently asked questions
Is an internal candidate always the best choice?
No. Assess internal and external candidates against the work the role requires.
Why can known weaknesses be useful?
They let the organization plan support and test development needs before the role changes.
What should be discussed before promotion?
The role’s responsibilities, the candidate’s interest, the support available, and how success will be evaluated.
Sources and related reading
The operating example in this article is illustrative and is not a reported client outcome.
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