Sales & qualification · C3 Funnel & lifecycle
SDR / BDR
Also: Sales/Business Development Representative, xDR
Definition. Entry-level sales role focused on finding and qualifying new prospects and booking meetings to feed AEs. SDR often = inbound; BDR often = outbound (usage varies).
Related terms
Where this sits
Part of the Sales & qualification set within the GTM World Model — cluster C3, Funnel & lifecycle.
How to cite this
@misc{shalvi_gtm_sdr_bdr,
author = {Singh, Shalvi},
title = {SDR / BDR — GTM World Model Glossary},
year = {2026},
url = {https://shalvisingh.com/gtm/glossary/sdr-bdr}
} Singh, Shalvi. "SDR / BDR — GTM World Model Glossary." shalvisingh.com, 2026. https://shalvisingh.com/gtm/glossary/sdr-bdr