A small firm for one question at a time
Corrin Hale Consulting (sample) has worked with leadership teams of companies of 100 to 2,000 people from Springfield since 2011.

Started by two people who wanted to show the working
Maren Corrin and David Hale met on a project where the final report had 140 slides and no answer. They started the firm to work the other way: one question, one tree, and every step visible to the client. Today 16 people work here (sample).
- Founded in 2011 (sample)
- 16 people in one Springfield office (sample)
- About twenty engagements a year (sample)
Principles we work by
Short enough to remember, and specific enough that you can hold us to them.
One question per engagement
If a second question appears, we write it down and agree whether it belongs in this engagement or the next.
You see the tree every week
No surprises at the final meeting: the tree, its marks and the evidence go to your sponsor each week.
We say when a hypothesis fails
A ruled-out branch is reported as clearly as a confirmed one, with the data that ruled it out.
No commissions
We take no fees from software vendors, recruiters or the firms we might recommend (sample terms).
Who you work with
A partner leads every engagement from the first call to the final answer, with two or three consultants on the tree.
Maren Corrin
Managing partner, strategy (sample)
David Hale
Partner, operations and cost (sample)
Ama Owusu
Partner, organisation design (sample)
Lukas Brandt
Principal, data and analysis (sample)
Bring us the question you cannot answer yet
Write it down in a sentence or two. A partner reads it, calls you within two working days and tells you honestly whether a two-week diagnostic would help.