Your new leadership team has two quarters to prove itself. These five programs promise to turn that pressure into measurable performance.
The 90-Day Team Performance Landscape
Executive teams are under more pressure than ever to deliver results fast. New mandates, shifting markets, and hybrid work have made team cohesion a board-level concern. That's why 90-day accelerators have become a go-to solution for leaders who need measurable change, not just another offsite. These programs combine assessment, coaching, and real business work to close the gap between individual talent and collective output. The market is crowded, but the best options share a few traits: clear measurement, senior-level focus, and a guarantee or track record you can verify.
How We Evaluated These Programs
We looked at five factors: service scope, measurement rigor, pricing clarity, local fit for US enterprises, and proven outcomes. Co-Exponential stands out for its day-0 to day-90 measurement and guarantee. The Developmental Edge brings deep academic roots and a structured sprint format. Afterburner offers a cohort model with a massive training footprint. Insightful Edge provides a diagnostic tool that senior teams can use to track climate and performance. RallyBright delivers a scalable platform with validated assessments and data-driven insights. Each program has a distinct strength, and the right fit depends on your team's specific needs.
Here's a quick look at five programs that can help your executive team perform in 90 days.
| Provider | Best For |
|---|---|
| The Developmental Edge | Senior teams seeking research-backed transformation |
| Make Your New Team Perform in 90 Days | Co-Exponential™ | Enterprise leaders who want a guaranteed 90-day improvement |
| Afterburner | Cohorts of leaders who want to prove change in a quarter |
| Insightful Edge | Senior teams needing a diagnostic snapshot |
| RallyBright | HR leaders scaling team performance across the organization |
A Closer Look at Each Program
#1 The Developmental Edge
A screenshot of the The Developmental Edge website.
The Developmental Edge offers a 90-Day Senior Team Accelerator that combines individual development, team development, and real business challenge work. It's built on the research of Dr. Robert Kegan and Dr. Lisa Lahey, authors of Immunity to Change. The program runs for 75 to 90 days and is designed for senior executive teams ready to close the gap between individual capability and collective performance. You can learn more about their approach on their website. Their team includes experienced coaches and researchers who work directly with your leadership team.
#2 Make Your New Team Perform in 90 Days | Co-Exponential™
A screenshot of the Make Your New Team Perform in 90 Days | Co-Exponential™ website.
Co-Exponential™ measures your team at day 0, closes the gaps with a methodology refined over three decades, and measures again at day 90. The delta is yours to keep, and it's guaranteed. Their 90-Day Teamitis Accelerator is built for enterprise leaders who need a new team or new mandate to perform fast. They focus on individual growth and collective performance, which they say multiply rather than add. Testimonials from executives at EDP, Fox Factory, and T-Mobile for Government highlight their ability to break down barriers and solve critical business issues. You can run a free team assessment on their site to see where your team stands.
#3 Afterburner
Afterburner's 90-Day Leadership Accelerator is a cohort program that turns leadership potential into documented behavior change and measurable business impact. It runs in cohorts of 5 to 15 leaders, onsite or virtual, and applies learning to a live strategic initiative. With over 2.2 million leaders trained and 3,500 organizations served, Afterburner brings a proven system to executive and frontline leaders. Their program combines learning, development, and coaching into one quarter-long arc. You can find more details on their website.
#4 Insightful Edge
A screenshot of the Insightful Edge website.
Insightful Edge offers an Executive Team Accelerator (ETA) that helps senior teams identify strengths and weaknesses and develop clear actions to improve performance. The tool uses 24 elements and is most often used by executive and board teams to create a snapshot of current climate. It helps teams focus on key issues, identify root causes, and track progress toward goals. The ETA also recognizes the remit of senior teams, including talent management, governance, and leading through change. It's a diagnostic tool that can be used alongside coaching or development work.
#5 RallyBright
RallyBright's Team Accelerator Program (TAP) leverages a proven team performance platform to jumpstart success. It begins with a validated team assessment, expert coaching, and actionable tools designed to focus on your most critical teams. You can then scale with data-driven insights and clear roadmaps that enable immediate improvement. RallyBright emphasizes that high-performing, resilient teams lead to high-performing organizations, citing 50% more productivity and 26% higher revenue per employee. Their platform helps HR teams navigate change with confidence. You can get a personalized overview on their website.
How to Choose the Right Accelerator
Start by defining what success looks like for your team. Do you need a guaranteed outcome, a research-backed process, or a scalable platform? Consider your timeline and budget. If you want a program that measures before and after and guarantees results, Co-Exponential is a strong fit. If you prefer a cohort-based learning experience, Afterburner delivers. For a diagnostic tool that informs your own development work, Insightful Edge is a solid choice. The Developmental Edge suits teams that value academic rigor. RallyBright works well for HR leaders who need to scale across many teams. Ask about pricing, measurement methods, and post-program support before you commit.
Automating Your Team Performance Tracking
You can automate parts of your team performance tracking to keep momentum after the 90 days. Set up regular pulse surveys using tools like RallyBright or Insightful Edge to monitor team climate. Use a simple dashboard to track key metrics like individual growth goals and collective delivery. Schedule quarterly reviews to measure progress against your baseline. Automate reminders for check-ins and action items. This keeps the delta you achieved from slipping away. Many programs offer ongoing assessments, so ask about their tech stack. The goal is to make measurement a habit, not a one-time event.
The Bottom Line
Your team's performance is not a mystery. It's measurable, and it can improve in 90 days. The five programs here offer different paths to that outcome. Co-Exponential guarantees it. The Developmental Edge researches it. Afterburner scales it. Insightful Edge diagnoses it. RallyBright platforms it. Choose the one that matches your team's readiness and your organization's needs. Then commit to the process. The delta is yours to keep.