Mastering Slide Creation: Ruben Hassid’s Step-by-Step Guide Using Gamma

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Ruben Hassid

LinkedIn Author

Master AI before it masters you.

In a recent LinkedIn post, Ruben Hassid offers a detailed strategy for generating effective presentation slides, advocating for the use of Gamma over other AI tools like Claude for this specific task. Hassid emphasizes a structured approach, moving beyond simple AI prompts to leverage templates and existing content for optimal results.

Leveraging Templates for Slide Design

Hassid’s strategy begins with a crucial first step: utilizing templates within Gamma. He advises against immediately diving into content prompting. Instead, he suggests exploring Gamma’s template library, highlighting his personal preference for the “Leadership Keynote” template as a strong starting point.

“Don’t prompt right away. Instead, go to Templates. My favorite one is: ‘Leadership Keynote’. Click ‘Create from template.'”

This emphasis on templates, as Ruben Hassid points out, provides a foundational structure that guides the AI and ensures a more professional and cohesive look from the outset. This pre-defined framework is key to avoiding generic or poorly organized slides.

Strategic Content Integration

The next phase of Hassid’s method involves repurposing existing content, specifically from AI conversations. He recommends using Claude, where detailed topic discussions might have already taken place, and copying the content in Markdown format. This Markdown text then serves as the source material for Gamma.

“Go to Claude where you worked the topic out. Hit ‘copy page as markdown.'”

Ruben Hassid then explains how to prompt Gamma effectively using this content. He suggests a clear instruction:

“Make a 15-slide deck with the following topic that I’m sharing right after.”

He further clarifies that pasting the Markdown directly under this prompt informs Gamma about the source material, rather than attempting to guide it through sequential steps. Hassid also specifies an optimal number of slides, stating, “20 slides is too much. 15 is a sweet spot number.” This precise instruction aims to maintain audience engagement and focus.

Optimizing Visuals and Finalizing the Deck

Hassid dedicates a section to refining the visual elements of the slides before final generation. He directs users to the “Visuals” section in Gamma’s panel, specifically to the AI image generator, and recommends using ChatGPT integration with specific settings: “Photos. Texture rich. Depth of field.” This attention to visual detail is critical for preventing what Hassid terms “ugly slides.”

Once the slides are generated, Hassid encourages users to enter present mode and make final adjustments. He notes the flexibility of Gamma, stating, “Press ‘Escape’ and change whatever you want. Add an item to a bullet & the slide reflows itself.” This dynamic editing capability allows for quick refinements without compromising the slide structure.

Ruben Hassid also highlights Gamma’s capacity for handling large amounts of text, mentioning that it “takes up to 100,000 tokens” and recommending pasting “the entire conversation. All of it.” He concludes by sharing a personal success story, noting the efficiency of this method for creating a company training presentation on prompting Claude.

Ultimately, Hassid’s post serves as a practical guide for business professionals looking to enhance their presentation delivery. As Ruben Hassid argues, effective slide design is crucial, and by following his structured approach with Gamma, users can ensure their valuable ideas are presented compellingly.

📝 About This Content

This article is based on insights shared by Ruben Hassid on LinkedIn.

📅 Originally posted on September 2, 2026 | View original post on LinkedIn →