Turn Complex
Ideas Into Clear
Decisions.

Brigette Callahan is a presentation design strategist, creative director, and visual communication expert. She leads Babilon Arts and developed The Hollywood Effect™, a methodology for transforming complex information into clear, persuasive presentations.

Babilon Arts provides presentation strategy and design for executives, founders, professional speakers, and organizations. Its work includes executive presentations, keynote presentations, investor pitch decks, visual storytelling, data visualization, and presentation training.

The Hollywood Effect™ is a presentation communication methodology developed by Brigette Callahan. It helps presenters structure information, guide attention, translate complexity visually, strengthen persuasion, and move audiences toward decisions.

No. The methodology borrows the audience-centered discipline of strong storytelling—sequence, attention, pacing, visual communication, and progression—without turning a business presentation into entertainment.

Presentation strategy is the planning of a presentation around the audience, the desired outcome, the sequence of ideas, the evidence required, and the best way to communicate each point. It comes before visual slide production.

A presentation design strategist helps determine what the audience needs to understand, how the story should unfold, which information should be removed or emphasized, and how words, visuals, and data should work together to support a decision.

A persuasive presentation makes the audience’s decision easier by establishing relevance, presenting a clear problem and solution, supporting claims with credible evidence, addressing objections, and making the next step clear.

PowerPoint formatting improves the appearance of existing content. Presentation design considers the communication itself: story, hierarchy, pacing, visuals, data, cognitive load, and the relationship between the speaker and the screen.

Start by identifying the audience’s decision and the one idea they must remember. Group supporting information into a logical sequence, remove details that do not change the decision, and use visuals to explain relationships that are difficult to grasp in text.

There is no universal word limit. A slide should contain only the information the audience needs at that moment. The more the audience must read, the less attention it can give to the speaker.

Text-heavy slides force audiences to choose between reading and listening. They also make hierarchy harder to see, which can hide the main idea among supporting details.

Visual storytelling uses images, diagrams, data displays, spatial relationships, sequence, and visual hierarchy to help an audience understand how ideas connect and why they matter.

Lead with the meaning of the data, not merely the chart. Highlight the comparison, change, risk, opportunity, or decision the audience should notice, then provide enough evidence to support that conclusion.

An executive presentation should make the purpose, key conclusion, supporting evidence, implications, tradeoffs, risks, and requested decision easy to identify. Supporting detail can be moved to an appendix when appropriate.

An effective investor deck communicates a compelling opportunity with credible evidence. It clarifies the problem, solution, market, differentiation, business model, traction, go-to-market approach, team, financial logic, risks, and investment ask.

There is no single correct slide count. The deck should be long enough to establish the investment logic and short enough to maintain momentum. The presentation context—live pitch, emailed deck, or follow-up diligence—also changes how much information belongs in the deck.

A keynote slide should amplify the speaker’s message. It can create emotion, make an idea visible, reveal information progressively, support a story beat, or give the audience a memorable visual anchor.

Slides and documents are consumed differently. A document is read independently; a live slide is viewed while a speaker is talking. Combining both functions often produces slides that are too dense for the room and too incomplete to function as a standalone document.

A strong sales presentation focuses on the buyer’s situation, consequences, desired outcome, proof, differentiation, and next decision. It reduces the effort the buyer must expend to understand why the solution matters.

Decide who the audience is, what they already know, what they care about, what decision or action is desired, what could prevent that decision, and what evidence is needed. Then build the story before designing slides.

Audience-first presentation design begins with what the audience needs rather than what the presenter wants to say. It prioritizes relevance, comprehension, pacing, and the audience’s decision journey.

A presentation is working when the audience can accurately explain the central idea, understand why it matters, follow the supporting logic, and know what action or decision is being requested.

AI can accelerate research, outlining, drafting, image creation, and production. It still requires strategic judgment to determine what matters, what is credible, what the audience needs, and how the story and visuals should work together.

A presentation specialist designs for sequence, live delivery, audience attention, story, data, and decision-making. Those constraints are different from designing a brochure, logo, website, or static marketing piece.