Design a Brochure

We are looking for a Powerpoint presentation to be developed for our company to use as marketing material during presentations or to distribute via email to interested parties. The different elements of the powerpoint presentation will be needed to be editable as much as possible - as some of the text may be updated every few months. We are looking for a simple design with minimal design concept - the elements on certain screens are what need some well thought out design. Outline of the presentation: - Front cover with company logo and key message - An 'our story' slide which features a horizontal timeline spanning 30 years and callouts showing the history of the company - A map of the world with callouts for our office locations - Another map of the world with Asia-pacific section magnified and to show some additional information/arrows - A third map of the world with just Australia magnified and showing our offices - A slide with a quote and a Visio org chart - Several slides highlighting key capabilities. Divided into six categories with lists underneath (styling for each category needed) - A slide that lists some of our services - currently in bullet form, will need a better way to display - A slide to show leadership team - photo + brief paragraph bio - A closing slide (two if needed) to display message to contact us + list all office locations. All content will be provided, we require styling so that the powerpoint looks visually impressive. The callouts, boxes and other elements need to be consistent across powerpoint in a simple, minimalist, flat and modern design.