In a hybrid project management approach, which combines elements of both predictive (waterfall) and adaptive (agile) methodologies, it's important to involve key stakeholders at appropriate stages. In this case, the dentist is a major investor and has raised questions about the concept and expected performance of the equipment. Inviting the investor to a design review meeting allows for a focused discussion on these aspects. This meeting can include a Q&A session to address the investor's doubts and concerns, providing clarity and ensuring alignment with the project's objectives. References: Hybrid project management methodologies allow for flexibility while ensuring that essential project documentation, such as project plans, requirements, and technical specifications, is maintained and updated as needed1. It's also important to regularly review the project management process and make adjustments if necessary2. Incorporating hybrid components in the areas that were previously identified, and closely analyzing the effectiveness of the blended strategy is also recommended3.