The Evolution of Consulting: From Pyramid to Obelisk in the Age of AI and Healthcare Insights

Charles DeShazer

Hatched by Charles DeShazer

Nov 28, 2025

4 min read

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The Evolution of Consulting: From Pyramid to Obelisk in the Age of AI and Healthcare Insights

The consulting industry is undergoing a seismic shift, driven by the rapid advancement of artificial intelligence (AI) technologies. This transformation is not merely an evolution of tools but a fundamental restructuring of how consulting firms operate, moving away from the traditional pyramid model toward a more agile and efficient obelisk structure. This article explores the implications of this shift, its connection to healthcare utilization trends, and offers actionable advice for consulting firms looking to thrive in this new landscape.

The Traditional Pyramid Model

Historically, consulting firms have adhered to a pyramid structure. This model relies on a broad base of junior consultants who perform foundational tasks—data collection, analysis, and crafting presentations—supporting a smaller group of senior consultants who lead client engagements and strategic decision-making. While this structure has been economically viable for decades, the emergence of AI tools is challenging its very foundation.

In the age of AI, tasks once performed by junior consultants are increasingly being automated. For example, firms like McKinsey and Bain have developed proprietary AI systems that streamline research and synthesis work, enabling faster and often more precise outputs. This shift threatens the viability of the traditional pyramid model, as AI can perform the same tasks more efficiently and cost-effectively. As a result, consulting firms must confront the reality that their operational models must evolve or risk obsolescence.

The Rise of the Consulting Obelisk

In response to these changes, a new model is emerging: the consulting obelisk. This structure is characterized by fewer layers, smaller teams, and a greater reliance on specialized roles. The obelisk model focuses on three primary positions:

  1. AI Facilitators: These early-career consultants are trained in AI tools and data management, helping teams leverage technology to generate insights rapidly.

  2. Engagement Architects: Experienced consultants who lead projects, interpret AI outputs, and ensure that insights translate into actionable strategies.

  3. Client Leaders: Senior consultants who build and maintain strong relationships with clients, providing guidance amidst ongoing changes and disruptions.

This shift away from the traditional pyramid allows firms to optimize their human resources. With AI handling routine tasks, consultants can dedicate more time to judgment, creativity, and deeper client engagement—areas where human expertise truly adds value.

Implications for Consulting Firms

The implications of this transition are profound. Consulting firms that cling to the junior-heavy pyramid model risk becoming slower, more expensive, and less relevant in a landscape that increasingly prioritizes speed and expertise. Conversely, those that embrace the obelisk model can provide more tailored, high-quality services with fewer resources.

However, this transformation is not without challenges. Many firms will resist change due to the embedded cultural and economic incentives associated with the pyramid model. The entrenched practices of recruiting and training large cohorts of generalist consultants must evolve to meet the demands of a more specialized workforce adept in AI tools and systems thinking.

Connecting the Dots: Healthcare and ER Utilization

Interestingly, the principles guiding the evolution of consulting firms resonate with trends observed in the healthcare sector, particularly regarding emergency room (ER) utilization. Research indicates that high ER utilizers often share common demographic traits, such as being young to middle-aged adults, having lower income levels, and experiencing mental health challenges. To reduce ER visits and subsequent hospitalizations, the focus must shift to understanding and addressing the needs of these at-risk populations.

Similarly, consulting firms must focus on understanding their clients' needs and leveraging AI technologies to provide tailored solutions. By identifying and addressing the unique challenges faced by clients—much like identifying predictors of high ER utilization—consultants can position themselves as indispensable partners in navigating complex problems.

Actionable Advice for Consulting Firms

As firms navigate this transition, here are three actionable pieces of advice to consider:

  1. Invest in AI Training: Firms should prioritize training programs that develop AI fluency among their consultants. By equipping teams with the skills needed to leverage AI tools effectively, firms can enhance their service offerings and improve operational efficiency.

  2. Redefine Talent Development: Establish a clear pathway for talent development that emphasizes the new roles within the obelisk model. This includes fostering skills in AI facilitation, strategic engagement, and client relationship management to ensure a pipeline of capable consultants.

  3. Embrace Agile Structures: Move away from hierarchical, rigid structures and adopt agile, team-based approaches that allow for rapid adaptation to client needs. This flexibility can help firms respond more effectively to market changes and client demands, ultimately enhancing value delivery.

Conclusion

The consulting industry stands at a crossroads, with AI technologies reshaping the landscape in profound ways. By transitioning from the traditional pyramid to the obelisk model, firms can position themselves for success in a rapidly evolving environment. Drawing parallels to healthcare insights on ER utilization, the focus should be on understanding client needs and leveraging technology to create tailored solutions. As firms embrace this transformation, they will not only remain relevant but also thrive, delivering greater value to clients and redefining the future of consulting.

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