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Sales Development·Practical Guide

The Modern SDR Role: Responsibilities, KPIs & Quota

The SDR role has changed more in two years than the previous ten, so here is a clear-eyed look at responsibilities, KPIs, quota, and what good looks like today.

The GTM100x Team·October 8, 2025·8 min read
KEY TAKEAWAYS
  • The core SDR mission is unchanged: create qualified pipeline through outbound and inbound prospecting.
  • What has changed is the toolset; the modern SDR orchestrates AI and multichannel touches instead of grinding manual volume.
  • Good SDR quotas are tied to qualified meetings or opportunities accepted by sales, not raw activity.
  • The best SDR hires are coachable, curious, and resilient; tenure and pedigree matter far less than these traits.

A Sales Development Representative, or SDR, sits at the very top of the revenue funnel. Their job is to turn a list of names into qualified conversations for account executives. It is one of the hardest roles in any company and one of the most important, because nothing downstream happens without pipeline.

If you are writing an SDR job description, hiring for the role, or stepping into it yourself, this is what the role actually involves in 2025, stripped of the recruiter fluff.

What an SDR actually does

The day-to-day splits into a handful of recurring responsibilities. A good SDR rotates through these every day rather than batching them into separate weeks.

  • Prospecting and list-building: Identifying accounts and contacts that fit the ideal customer profile, and enriching them with the context needed to reach out well.
  • Multichannel outreach: Running cadences across email, phone, and LinkedIn, personalizing where it counts and following up persistently.
  • Qualification: Holding short discovery conversations to confirm fit, pain, and timing before passing a lead to an account executive.
  • Meeting setting: Booking qualified meetings and ensuring they actually happen through confirmations and reminders.
  • Pipeline hygiene: Keeping the CRM accurate so the rest of the team can trust the data.
  • Feedback loop: Reporting what messaging and segments are working back to marketing and sales leadership.
Outbound vs inbound SDRs

Some teams split the role into BDRs (outbound, cold prospecting) and SDRs (inbound, responding to marketing leads). The skills overlap heavily, but the rhythm differs: outbound is a hunting motion, inbound is a speed-to-lead motion.

The KPIs that define the role

A job description that lists 'send 100 emails a day' as the goal is measuring the wrong thing. Activity is an input, not an outcome. The KPIs that actually matter ladder up to pipeline.

MetricWhat it measuresWhy it matters
Qualified meetings bookedMeetings that pass AE qualificationThe true output of the role
Meetings heldBooked meetings that actually happenCatches no-show and quality issues
Opportunities createdMeetings that convert to pipelineTies SDR work to revenue
Reply ratePositive responses per touchSignals message and targeting quality
Conversion rateLead to meeting to opportunityShows where the funnel leaks

Activity metrics like dials and emails sent still have a place, but only as leading indicators a rep uses to diagnose their own funnel, never as the goal a manager beats them with. We unpack this in depth in the SDR metrics that actually matter.

Quota and compensation

A healthy SDR quota is expressed in qualified meetings or accepted opportunities per month, with the exact number depending on deal size and sales cycle. Enterprise SDRs working six-figure deals might carry a quota of eight to twelve qualified meetings a month; transactional SMB SDRs might carry far more. Compensation is typically a base salary plus variable pay tied to meetings held and opportunities accepted, often a 60/40 or 70/30 base-to-variable split.

Beware activity-only quotas

Quotas built purely on dials and emails sent reward motion over results. They push reps toward spray-and-pray behavior that hurts deliverability and reputation. Tie quota to qualified outcomes and let reps choose how to get there.

Skills and traits that predict success

Hiring managers over-index on prior SDR experience and pedigree. The traits that actually predict success are coachability, curiosity, resilience, and clear written communication. A curious junior who asks good questions and bounces back from rejection will outperform a polished resume every time.

  • Coachability: Takes feedback and changes behavior quickly.
  • Curiosity: Researches accounts and asks why, rather than blasting a template.
  • Resilience: Handles a high volume of no without losing momentum.
  • Writing: Can land a clear, human message in three sentences.
  • Process discipline: Works the cadence and keeps the CRM clean.

How the role is evolving with AI

The biggest shift in the modern SDR role is what AI absorbs. Research, list enrichment, first-draft copy, and task scheduling, the rote work that used to consume most of an SDR's day, can now be automated. That does not make the SDR obsolete; it makes the SDR more valuable. Freed from busywork, the rep spends time on the parts machines cannot do: judgment about who to prioritize, genuine human connection on calls, and the creative angle that breaks through.

The modern SDR is an orchestrator, directing AI to handle volume while they bring the strategy and humanity. Anyone writing a 2025 job description should frame the role this way: not a manual-volume grinder, but a skilled operator who uses tools like GTM100x to do the work of a much larger team without sacrificing quality.

If you are stepping into the role, focus first on the fundamentals, clean targeting, relevant messaging, disciplined follow-up, then layer on the tools. The reps who win are not the ones with the fanciest stack; they are the ones who pair good fundamentals with smart augmentation.

Frequently asked questions

What is the difference between an SDR and a BDR?

The titles are often interchangeable. Where companies distinguish them, BDRs typically handle outbound cold prospecting while SDRs handle inbound leads generated by marketing. Both create qualified pipeline for account executives.

What is a typical SDR quota?

Quotas are usually set in qualified meetings or accepted opportunities per month. Enterprise SDRs might carry eight to twelve qualified meetings monthly, while transactional SMB roles carry higher numbers because deal cycles are shorter.

Do you need experience to become an SDR?

No. The SDR role is a common entry point into sales. Hiring managers value coachability, curiosity, and resilience over prior experience, which is why many strong SDRs come from unrelated backgrounds.

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