Sierra

Sierra

Elevate your customer experience with conversational AI tailored to your business. Designed with the highest commitment to security, compliance, and trust.

Total raised
$1.6B
Latest round
Series E
Employees
951

About Sierra

Sierra is a pioneering conversational AI platform dedicated to transforming customer experiences for businesses. Founded by innovative tech leaders Bret Taylor and Clay Bavor, Sierra harnesses advanced AI technology to empower companies in enhancing their engagement and support processes. With a strong emphasis on customer obsession, Sierra's team prioritizes understanding client needs and driving impactful outcomes. The brand's core values—trust, craftsmanship, intensity, and family—underscore its commitment to quality and responsiveness. Each product is meticulously crafted to meet high standards, reflecting a dedication to excellence that permeates the organization. From responsive AI chatbots to comprehensive customer interaction solutions, Sierra provides a diverse array of services designed to improve communication and efficiency. By focusing on creating trust and ensuring that their AI tools are both safe and useful, Sierra aims to revolutionize the way businesses interact with customers, marking a new era in customer service excellence. Discover how Sierra’s innovative solutions can elevate your business today.

Funding & revenue at Sierra

How well capitalized the business is — useful context before you scope a fractional engagement or negotiate a rate.

Total capital raised

$1.6B

11 known investors

Latest round

Series E · $950M

May 2026

Investors

SV AngelComcast VenturesBenchmarkTiger Global ManagementGreenoaksSequoia CapitalGoogle VenturesSoftBank Vision FundICONIQ CapitalConvictionThrive Capital

Growth signals

How fast Sierra is adding people, roles, and audience.

Employees

951

Reported band 201-500

LinkedIn followers

91.1K

+191.5% year over year

Headcount change

MoM
+7.6%

+67 people

QoQ
+19.6%

+156 people

6mo
+54.6%

+336 people

YoY
+171.7%

+601 people

2yr
+993.1%

+864 people

Team composition

Where Sierra concentrates its people — a read on which function a fractional leader would plug into.

By function

  • Sales35037%
  • Engineering14515%
  • Human Resources586%
  • Product Management536%
  • Operations455%
  • Information Technology354%
  • Marketing222%
  • Administrative192%

By region

  • United States760
  • California, United States490
  • San Francisco Bay Area471
  • San Francisco, CA321
  • New York City Metropolitan Area140
  • New York, United States130

Inside Sierra

What the business focuses on, where it operates, and how employees rate it.

Categories

SoftwareEnterprise SoftwareSaaSArtificial Intelligence (AI)Enterprise Software & Network SolutionsInformation Technology

Markets

PRIVATE

No open roles right now — view past roles below

Funding, revenue, headcount, and hiring figures are third-party estimates from public sources and are not confirmed by the company. Last refreshed August 16, 2026.

About this page

This company page is automatically generated based on publicly available job postings. Company information is sourced from publicly available data and may not be complete. If you represent Sierra, you can claim this page to manage and enhance it.