Slang
Slang is a professional English learning platform with over 200 specialized courses, used by companies and universities to train employees. The Boston-based company, founded in 2013, raised $25M in Series A funding in August 2023 and employs 181 people.
The growth story
Slang grew from 150 to 181 employees between 2021 and 2026, raising $25M along the way, most recently a Series A in August 2023.
About
Slang sells online English courses tailored to specific industries and job roles, targeting corporate and university clients. Its library covers over 200 specialized areas from manufacturing to psychology, with plans to expand to 1,000 courses in three years.
The company has grown to 181 employees and secured $25M in Series A funding in 2023. Its course library is expanding rapidly, with a 5x increase planned in the next three years.
Founders and leadership
Sales is Slang's largest department with 27 employees, representing 15% of total headcount. The company has a median employee tenure of 2 years, suggesting moderate turnover.
The Slang org chart
Diego Villegas (Co-Founder & CEO) leads 27 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: Consulting 44 (+5% YoY), Sales 41 (+37% YoY), Education 21 (+31% YoY), Operations 14 (+17% YoY), Business Development 12 (0% YoY), Human Resources 8 (-11% YoY).
Talent flow
Slang recruits heavily from Colombian universities, with Pontificia Universidad Javeriana and Universidad del Rosario being top sources. Alumni frequently move to tech companies like Amazon Web Services and Samsara.
Most common previous employers of Slang staff: Wherex (3), Universidad Nacional de Colombia (3), Seguros Bolivar S.A (2), TP (2), GoStudent (2), LATAM Airlines (2). Former Slang employees most often moved to Amazon Web Services (AWS) (5), 8020REI (3), Crehana (3), Buk (3), Samsara (3), Dialectica (2).
Alumni worth knowing
The Slang mafia
Slang alumni have founded 8 companies, including Attom Capital (8 employees) and PRICE IT (5 employees). Other startups include how 2 medical, Stepply, and BreakDown Media.
8Antonia Rojas Eing, was Board Member until 2022Juan Esteban Giraldo Matallana, was Business Development Representative until 2023Santiago Rodríguez Medina (he/him), was Senior Territory Sales Manager - LATAM until 2024Gabriela Iglesias, was Country Sales Manager | Brazil until 2023Chris Nichols, was Business Development Manager - Southern Cone until 2019Juan Diego Barreto, was Customer Success Executive until 2025
Patrick Brand, was Chief of Staff until 2024
Justin Hughes, was Head Of Learning until 2022Hiring now
Web traffic
Traffic mix: 69% direct, 14% search, 4% social, 1% paid.
What this company is made of
Most common skills at Slang: English (63), Teamwork (53), Communication (51), English as a Second Language (ESL) (42), Leadership (38), Teaching (37), Teaching English as a Foreign Language (35), Analytical Skills (34).
Where the team actually sits
Slang people are concentrated in Capital District, Colombia (41), Bogotá D.C. Metropolitan Area (5), São Paulo, Brazil (4), Mexico City, Mexico (2).
Search footprint
Slang attracts about 2,955 organic search visits a month, traffic worth roughly $0K a month if bought through ads. It gained 20 ranking keywords and lost 22 in the last period.
What employees say
- Compensation
- 3.60 / 5
- Career opportunities
- 3.50 / 5
- Senior management
- 3.20 / 5
- Work-life balance
- 3.70 / 5
Frequently asked
Slang has 181 employees as of September 2026.
Slang has raised $25M in total, most recently a Series A round in August 2023.
Slang was founded in 2013 by Diego Villegas, Kamran Khan.
Diego Villegas (Co-Founder & CEO) sits at the top of Slang's reporting structure, with 4 direct reports.
The most common previous employers of current Slang staff are Wherex (3 people), Universidad Nacional de Colombia (3 people), Seguros Bolivar S.A (2 people).
Former Slang employees most often move to Amazon Web Services (AWS) (5), 8020REI (3), Crehana (3).
At least 8 companies have a founder who previously worked at Slang, including Attom Capital, PRICE IT, how 2 medical.
Slang attracts about 2,955 organic search visits a month, worth roughly $0K a month in equivalent ad spend.
The most common skills among Slang staff are English, Teamwork, Communication, English as a Second Language (ESL), Leadership.
Slang staff are concentrated in Capital District, Colombia (41), Bogotá D.C. Metropolitan Area (5), São Paulo, Brazil (4).
Slang has about 44 people in Consulting, up 5% over the past year, as of September 2026.
Slang has about 41 people in Sales, up 37% over the past year, as of September 2026.
Computed from 62 current and 275 former Slang profiles, as of September 2026. Source: Crustdata.
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