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Patrick Weaver
  • Male
  • Melbourne, Victoria
  • Australia
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  • Ammar Naqvi

Patrick Weaver's Discussions

PMP Questions – getting a second opinion.

Most people when faced with a painful decision such as having a leg amputated seek a valid second opinion!  Sitting for the PMP exam is no different – regardless of whose course you have completed…Continue

Started Oct 5, 2015

Controlling complex projects

Complexity is not a synonym for complicated or large is just one of the dimensions inherent in every project.  The four basic dimensions of a project[1] are:Its inherent size usually…Continue

Started Aug 31, 2014

Predicting project completion

Working out the probable completion date for a project and understanding the risks associated with achieving a target date have always been difficult.  This article will take a quick look at the…Continue

Started Jun 7, 2014

Ethics, Integrity and Governance

At the simplest level, ethics can be though of as using an effective ‘moral compass’ and knowing the ‘right thing to do’ in any given circumstance. Integrity is having the courage to do it! Both are…Continue

Started May 13, 2014


Patrick Weaver's Page

Latest Activity

Rob Ticker commented on Patrick Weaver's blog post 'Cost is a management output'
"Great job, thank you!"
Oct 18
HOTMAIL commented on Patrick Weaver's blog post 'The problem with CPM'
"Welcome back hotmail login! Where have you been? Since you've been here before you should know all the rules and we should have your details so comment away."
Oct 1
HOTMAIL commented on Patrick Weaver's blog post 'You are probably wrong about probability'
"Write great. I am a frequent visitor on your website and appreciate your taking the time to maintain a great site. I will be a regular visitor for a long time. see more :hotmail account, hotmail email"
Aug 6

Profile Information

Mosaic Project Services Pty Ltd
Job Title:
Managing Director
Professional PM certifications:
Years in Project Management:
Any other comments about yourself?
Scheduling expert and project management trainer
Website 1:
Website 2:
Website 3:

Patrick Weaver's Blog

The Effect of Randomness and Luck

In our last article You are probably wrong about probability we looked at probability[1]. Randomness is a key ingredient in probability, contributes to luck, affects statistics, and can easily be confused for skill or competence!


Luck and randomness are interlinked,…


Posted on December 2, 2015 at 5:08pm

You are probably wrong about probability

This is the first of four articles based on Leonard Mlodinow's book, The Drunkards Walk; looking at probability, in the next article we will look at randomness, and then how this affects everything in project controls and business.  For example, does the Rugby Union win this week prove that New Zealand are a better team than Australia? Maybe not!  The central claim in The Drunkards Walk is…


Posted on October 31, 2015 at 7:50pm — 1 Comment

PBS -v- WBS, is there a difference?

I was recently involved in a virtual discussion on the Association for Project Management (APM - UK) website around the use and differences between a Product Breakdown Structure (PBS) and a Work Breakdown Structure (WBS).  The resulting briefing document produced by the APM is summarised here[1] with some additional commentary.

The concept of a WBS goes back to the development of PERT, in the USA, in the1950s (if not earlier) and is integral to the concept of Earned…


Posted on September 8, 2015 at 6:22am

What’s the message??

A couple of conversations in the last week or so has highlighted the importance of effective communication if you want anyone to take notice of the project information you have carefully gathered and analysed.  Good data, good analysis and good information are useless if no one gets the message.

Far too many project controls professionals and project managers think they have done their job once the data has been gathered, analysed and the information developed to facilitate an…


Posted on August 9, 2015 at 6:21am

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At 3:53pm on December 7, 2012, Ammar Naqvi said…

Hi Patrick,

Check out

 That PMI Karachi Chapter takes out every quarter



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