The Executive Guide to Interim and Fractional HR: When, Why, and How to Use Them

In today’s fast-paced business world, agility is more than a buzzword—it’s a survival skill. The HR function, once viewed as primarily administrative, marginalized and disenfranchised, has become a strategic partner and a mission-critical function for growth, change, and continuity. But what happens when your top HR leader exits unexpectedly… or when you need strategic HR horsepower but don’t have the bandwidth for a full-time CHRO?

That’s where Interim and Fractional HR leadership steps in.

At The Christopher Group (TCG), we’ve seen this shift coming—and we’re proud to be leading the way. This guide is designed for executives, boards, and investors who want to understand when and how to deploy Interim and Fractional HR leaders to solve real business problems.

Interim vs. Fractional HR: What’s the Difference?

Let’s break it down:

  • Interim HR leaders step into full-time, short-term roles to fill gaps, drive transformation, or stabilize during change. Think: maternity leaves, sudden CHRO exits, or M&A integration.
  • Fractional HR leaders are part-time strategic partners who deliver ongoing impact—ideal for scaling companies, startups, or projects needing expert oversight without full-time commitment.

Key differences? Time commitment, scope of work, and strategic focus. One’s a plug-and-play stabilizer. The other’s a flexible growth engine.

When to Use Interim or Fractional HR

Wondering if it’s time? Consider these signals:

  • Your CHRO just resigned (and recruiting takes months).
  • You’re integrating after an acquisition.
  • You’re scaling into new markets and your org chart hasn’t caught up.
  • Employees are disengaged and Glassdoor reviews are piling up.
  • You need to implement a compensation or DEIB strategy, but lack bandwidth.

From compliance chaos to culture resets, Interim and Fractional HR leaders provide the clarity, continuity, and strategy you need—fast.

Why It Works: The Business Case

Here’s why more organizations are choosing flexible HR leadership:

  • Speed to Impact: Onboarded in days, not months
  • Cost Efficiency: Senior expertise without long-term salary + bonus
  • Unbiased Eyes: No political baggage, just solutions
  • Strategic Agility: Scale up or down as needed
  • Talent Bridge: Keep momentum while recruiting permanent hires

But What Does It Cost?

Expect to see pricing in:

  • Hourly rates ($175–$300+ depending on scope)
  • Monthly retainers (custom packages)
  • Project-based fees

Pro tip: Don’t calculate value by hours alone. Measure by outcomes: turnaround time, engagement, retention, and risk mitigation.

How to Choose the Right Partner

Not all Interim or Fractional leaders are created equal. That’s where The Christopher Group stands out.

  • We’re not just recruiters. We’re HR people.
  • Our bench includes former CHROs, CPOs, and transformational HR leaders.
  • We tailor every engagement to your culture, needs, and business stage.

Ask these before you engage:

  • Do they understand your industry and growth phase?
  • Can they start immediately?
  • Will they enhance—not disrupt—your leadership team?

Real-World Wins

  • Private Equity Turnaround: Interim CHRO stabilized workforce during aggressive acquisition.
  • Mid-Market Manufacturer: Fractional HR built modern people systems and succession plans.
  • Nonprofit on a Budget: DEIB strategy launched with fractional support, avoiding full-time cost.

Interim & Fractional HR: Not a Last Resort, but a Smart Strategy

Too often, these roles are viewed as stopgaps. In reality, they’re strategic assets. Whether you’re navigating disruption or driving growth, Interim and Fractional HR leaders give you the experience, insight, and flexibility to thrive.

Ready to Elevate Your People Strategy? Let’s talk. I’m leading the Interim & Fractional Practice at TCG, and we’re building the deepest bench in the country.


Eric Torigian serves as the Managing Partner of The Christopher Group’s Interim and Fractional Services Division, bringing over three decades of global HR leadership across Fortune 500 companies and private equity-backed organizations. As a seasoned Global CHRO and transformation expert, Eric has built a distinguished track record leading complex business turnarounds, scaling operations, and delivering measurable value across a wide range of industries. His portfolio includes executive roles at iconic organizations such as Ford, Pepsi, NBC/Universal, and Comcast, as well as leadership assignments in private equity environments with assets ranging from $35B to $40B. Whether stabilizing operations, building executive teams, or driving organizational design, Eric consistently delivers results through a strategic, people-first approach. To learn more about Eric, visit his bio page.