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From the PHP Team

The First 90 Days: Designing an Effective Onboarding Program

How to Set New Hires Up for Success, Boost Engagement, and Build Long-Term Retention from Day One


Hiring great talent is only half the battle. The real test begins the moment your new hire walks through the door (or logs in remotely). That’s where a strong onboarding program makes all the difference — especially in those crucial first 90 days.

Whether you're a fast-growing startup or an established enterprise, a thoughtful onboarding process isn’t just a “nice to have.” It’s one of the most strategic investments you can make in your people and your bottom line.

Why the First 90 Days Matter So Much

Think of the first 90 days as the "golden window" for new hires. During this time, employees are forming their first impressions, learning the culture, figuring out expectations, and deciding whether they see a future with your organization.

A well-structured onboarding experience can lead to:

  • Higher employee engagement
  • Faster time to productivity
  • Better retention
  • Stronger alignment with company values and goals

On the flip side, a disorganized or inconsistent onboarding process can create costly setbacks such as confusion, disengagement, and premature turnover.
 

Key Elements of an Effective Onboarding Program

Let’s break down what a strong 90-day onboarding framework can look like and how to make it stick.
 

Start Before Day One

The onboarding journey should begin as soon as the offer is accepted. This is your chance to set the tone and keep the momentum going.

Pre-boarding Checklist:

  • Send a welcome email with helpful info (first-day logistics, org chart, tools access)
  • Mail a welcome kit or company swag (bonus points for a handwritten note!)
  • Set up necessary accounts and hardware ahead of time
  • Assign a buddy or onboarding mentor

Starting early reduces day-one stress and signals that you’re invested in their success.
 

Design a 30-60-90 Day Plan

A structured 30-60-90 day roadmap gives new hires clarity and confidence. It should be role-specific but flexible enough to adjust based on individual pace.

Key components:

  • 30 Days: Orientation, introductions, training, shadowing, understanding company values and goals
  • 60 Days: Begin contributing to projects, deepen collaboration with the team, regular feedback check-ins
  • 90 Days: Take ownership of key responsibilities, set longer-term goals, formal review or feedback session

Think of it as scaffolding — guiding employees while they build their foundation.
 

Make It Personal

No one wants to feel like Employee #372 on their first day. Personal touches matter.

Ideas to personalize onboarding:

  • Personalized welcome from the team or leadership
  • Coffee chats or virtual meet-and-greets
  • An internal spotlight or intro post
  • Opportunities to share their background and passions

Encouraging connection early builds trust and belonging.
 

Empower Managers to Lead the Way

Your managers are the cornerstone of onboarding success. They’re the ones setting expectations, coaching performance, and helping new hires feel supported.

Equip managers with:

  • Onboarding toolkits
  • Role-specific training timelines
  • Regular check-in templates
  • Tips for giving clear, consistent feedback

A great onboarding experience doesn’t happen by accident, it happens by design, with managers leading intentionally.
 

Gather Feedback and Iterate

Onboarding shouldn’t be static. After each new hire cohort, take time to gather insights and improve the process. You can collect feedback through pulse surveys, one-on-one debriefs with new hires and their managers, and team retrospectives.

Use that feedback to refine training, clarify documentation, or adjust pacing. Continuous improvement keeps your onboarding fresh and relevant.
 

An effective onboarding program isn’t just a checklist, it’s a key part of your culture. It shows new employees that they matter from day one and that your company is a place where people are set up to succeed.  Focus on those first 90 days and build an onboarding experience worth staying for.