Diane Brennan

Leadership coach · Tucson, AZ · in person and virtual

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"Brennan Associates partners with C-suite leaders and organizations globally to accelerate performance and drive lasting transformation." (in their words, on their website)

Services

ServiceWhat is includedPrice
Executive Coaching
C-suite leaders and organizations globally		 Accelerating C-suite leadership effectiveness · Organizational alignment · Strategic advancement on request
Team Coaching
Leaders and organizations worldwide		 Building team trust · Collective capability · Evolve from high performance to high value creation on request
Organizational Development Consulting
Leaders and organizations worldwide		 Transforming organizational systems · Transforming culture · Optimize performance on request
Management Training Seminars and Sessions
Managers and teams across organizations		 Managing Conflict and Change · Coaching Skills for Managers · Team Building and Development · Skillful Communication for Difficult Conversations · Creating and Sustaining a Learning Culture on request
Leadership Coaching Program
Experienced C-suite executives and emerging leaders		 360-assessment (recommended) · Tailored coaching program on request

As published on their website, read Sep 30, 2026.

How they compare

Computed by Callings from the prices and experience coaches publish. Not a rating.

Where they fit

StudentsEarlyMidManagerDirectorVP / C-suite
Resume and LinkedInnononononono
Interviews and offersnononononono
Job search strategynonoyesyesyesyes
Career direction and changenonoyesyesyesyes
Leadershipnonoyesyesyesyes
Personal brandnononononono

How they work

Assessments
360-Leadership Practices Inventory

Do it yourself, or hire a coach?

Doing it yourselfUsually enough whenA coach earns the fee when
Job searchA target list, a weekly plan and steady outreach. Callings builds the weekly plan and tracks every application, free.Interviews are coming in.Three months without traction, or a senior search that runs on your network.
Career directionWeeks of reading and conversations about roles that fit. Callings can show your strengths and the pay for each role.You already have two or three target roles.You do not know what comes next, or you want structure and a formal assessment.
LeadershipPeer groups, feedback from your manager, reading.You have a mentor who has done the job.A first management role or a bigger team, often paid for by the employer.

Times are our estimates. Try Callings.

Questions to ask before hiring

  1. What does it cost in total, and what is included? (no published price)
  2. What are your cancellation and refund terms? (no refund terms on their site)
  3. Who do you usually work with, and how long does a typical engagement last? (always worth asking)

What they publish

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Chosen by our matching from coaches who serve the same people with the same kinds of help. Nobody pays to appear here.