
Engine
Engine is a corporate travel booking platform that connects to most U.S. hotels, airlines and car rental companies, and has raised $221M including a September 2024 Series C. It employs 1,166 people.
The growth story

Engine grew from 135 to 1,166 employees between 2023 and 2026, raising $221M along the way, most recently a Series C in September 2024.
About
Engine sells software for businesses to book and manage employee travel. It aggregates inventory from U.S. travel providers and offers features like consolidated billing and trip modifications. The platform aims to reduce administrative work and costs for corporate travel departments.
The company reached 1,166 employees after raising $221 million, with Blackstone, Permira and Telescope Partners as lead investors. Its Series C closed in September 2024.
Founders and leadership
Sales is the largest department with 203 staff. The leadership team comes from undisclosed backgrounds.












The Engine org chart
Elia Wallen (Founder & CEO) leads 60 mapped leaders with 4 direct reports. Click +N to expand a team; names link to the person’s public profile.
Departments, and which ones grew

Headcount by function: Engineering 318 (+23% YoY), Sales 294 (+8% YoY), Operations 96 (+75% YoY), Information Technology 84 (+24% YoY), Business Development 50 (+32% YoY), Human Resources 38 (+6% YoY).
Talent flow
One in three hires previously worked at Hotel Engine. Other common sources include Amazon (15 hires) and Uber (13 hires). Alumni frequently move to Uber (7), Gusto (6) and Toast (5). Median tenure is one year.

Most common previous employers of Engine staff: Hotel Engine (32), Amazon (15), Uber (13), Insight Global (12), DISCO (11), Travelers Haven (10). Former Engine employees most often moved to Uber (7), Gusto (6), Toast (5), Stripe (4), Tebra (4), Campspot (4).
Alumni worth knowing








The Engine mafia
Twelve alumni founded companies, including Aster AI and NixIt AI (5 staff each) and casuro.ai (3 staff).





12
Alex Pavlou, was Talent Partner (Powered by Bamboo X) until 2024
Kathy Long, was Manager Account Management until 2023
Naman Shukla, was Senior Product Manager until 2025
Joon Lee, was Director of Partnerships until 2026
Kirill Polevoy, was Director of Product Management until 2025
Adam Kaminski, was Marketing Automations until 2026
Bryan dos Santos, was Senior Data Analyst until 2026
Eli Camner, was Sales Strategy and Operations until 2026
Olivia Marciniak, was Head Of Member Experience & Customer Support until 2022
Keenan Probst, was Senior Account Executive until 2021
Jacob Parrott, was Senior Software Engineer until 2026Hiring now
Web traffic

Traffic mix: 53% direct, 21% search, 8% social, 4% paid.
What this company is made of

Most common skills at Engine: Leadership (370), Customer Service (370), Microsoft Office (343), Communication (313), Microsoft Excel (298), Sales (267), Teamwork (229), Management (227).
Where the team actually sits

Engine people are concentrated in Colorado, United States (82), Illinois, United States (54), Arizona, United States (35), São Paulo, Brazil (32).
Search footprint
Engine attracts about 23,000 organic search visits a month, traffic worth roughly $519K a month if bought through ads. It gained 7,043 ranking keywords and lost 7,275 in the last period.
What employees say
- Compensation
- 4.00 / 5
- Career opportunities
- 3.70 / 5
- Senior management
- 3.50 / 5
- Work-life balance
- 3.40 / 5
Frequently asked
Engine has 1,166 employees as of September 2026.
Engine has raised $221M in total, most recently a Series C round in September 2024.
Engine was founded in 2019 by Elia Wallen.
Elia Wallen (Founder & CEO) sits at the top of Engine's reporting structure, with 4 direct reports.
The most common previous employers of current Engine staff are Hotel Engine (32 people), Amazon (15 people), Uber (13 people).
Former Engine employees most often move to Uber (7), Gusto (6), Toast (5).
At least 12 companies have a founder who previously worked at Engine, including Aster AI, NixIt AI, casuro.ai.
Engine attracts about 23,000 organic search visits a month, worth roughly $519K a month in equivalent ad spend.
The most common skills among Engine staff are Leadership, Customer Service, Microsoft Office, Communication, Microsoft Excel.
Engine staff are concentrated in Colorado, United States (82), Illinois, United States (54), Arizona, United States (35).
Engine has about 318 people in Engineering, up 23% over the past year, as of September 2026.
Engine has about 294 people in Sales, up 8% over the past year, as of September 2026.
Computed from 594 current and 578 former Engine profiles, as of September 2026. Source: Crustdata.
Build this for any company
Every number on this page came from the Crustdata API. Point the MCP at a company and get the same org chart, alumni list and talent flow in one prompt.

