Bringing analytical depth to complex business problems


Leveraging tools from philosophy, cognitive science and AI, I survey the whole picture, then tell you plainly what's actually worth your attention.

Trusted by 35+ clients since 2014 · Previous Experience at:

Trusted by 35+ clients since 2014 · Previous Experience at:

Built around one belief: important decisions deserve proper thought.



I believe that everybody deserves to be working from the right map.

A decade in enterprise — Flight Centre, Optus, Viking, and more — taught me how complex organisations actually work. A philosophy degree with a high-distinction average taught me how to critically analyse the assumptions behind them. Specialist training in cognitive science gave me a framework for understanding how people, ideas and systems get stuck.

I kept noticing the same pattern: capable people, excelling at their primary craft, operating without the right map. The advice they got was either too generic or too complicated. AI made information abundant but didn't make judgment any easier. I developed Rose Advisory to offer what I believe each passionate business leader deserves — rigorous thinking, clear explanation, and a trusted answer when the stakes are real.

Marianne Rose McAllister, Principal

2014

Year I began helping clients

30+

Engagements

29%

Client rehire rate

What I value.

Clarity over noise

The goal is not more information. It's the right understanding.

Rigour over speed

Some things deserve slow, careful thought. I take the time to get it right.

Understanding over deliverables

A beautiful report means nothing if you don't trust the answer. I aim for genuine comprehension.

Independence over dependency

The goal is to leave you stronger, not reliant on me.

Philosophy

I don't believe that generic frameworks are the answer. I believe in understanding your exact situation and investigating the ideal path forward.

Every problem worth solving is specific. My job is to see it clearly, research it properly, and explain it in terms you can trust and act on.

Meet Marianne.

Marianne McAllister

Founder & Principal

01

Marianne McAllister

Founder & Principal

Beyond advisory.

My work extends into academic research, interdisciplinary student-scholarship, and applied cognitive science.

Explore the thinking behind the practice.

Let's see if I can help.

A short conversation to understand your situation

Honest assessment of fit

Clear next steps if we're aligned

Top quality work as always, went the extra distance for the projects and delivered above expectations. I highly recommend working with Marianne.

Joseph Alexander - Official Framer Partner

Scott Neilson

Director, Sivacom

No obligation. Tell me what you're facing and I'll let you know if I can help.



What services are you interested in?

How would you describe your organisation?

I'll be in touch within a day or two.

35+

5-star rated engagements

29%

Repeat hire rate

Let's see if I can help.

A short conversation to understand your situation

Honest assessment of fit

Clear next steps if we're aligned

Top quality work as always, went the extra distance for the projects and delivered above expectations. I highly recommend working with Marianne.

Joseph Alexander - Official Framer Partner

Scott Neilson

Director, Sivacom

No obligation. Tell me what you're facing and I'll let you know if I can help.



What services are you interested in?

How would you describe your organisation?

I'll be in touch within a day or two.

35+

5-star rated engagements

29%

Repeat hire rate

Let's see if I can help.

A short conversation to understand your situation

Honest assessment of fit

Clear next steps if we're aligned

Top quality work as always, went the extra distance for the projects and delivered above expectations. I highly recommend working with Marianne.

Joseph Alexander - Official Framer Partner

Scott Neilson

Director, Sivacom

No obligation. Tell me what you're facing and I'll let you know if I can help.



What services are you interested in?

How would you describe your organisation?

I'll be in touch within a day or two.

35+

5-star rated engagements

29%

Repeat hire rate