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Kazuya Saito (@kazuyal2lab), based in the United Kingdom, runs Kazuya L2 Lab, a channel of second language acquisition lectures and research talks with about 1,600 subscribers and a median of roughly 1,600 views per video. The channel has not uploaded in about two years. Sponsored integrations are estimated at $150 to $250 per video.

Why brands book Kazuya

Academic SLA lecturer with a research-backed, brand-safe audience

  • About 1,600 subscribers and a median of 1,588 views per video
  • Lecture series reaches a language-learning and teaching audience
  • Long-form content suits education-focused sponsors, with no sponsorship history
Best forlanguage learning appseducational publishersuniversity and course providers
Watch forNo uploads in about two years; audience is small and academic.

Brand fit report

Content

Topics, IAB taxonomy
Education70%
Science20%
Language Learning10%
Formats
lecture recording, interview, research talk
Tone
academic, instructive
Language
English
On camera
No, voiceover and b-roll
Production
Phone, natural light
Typical length
5 to 8 minutes for lectures, up to 1 hour for talks

Audience

Commercial intent5/100
Comments asking for links, prices or where to buy
Sentiment75/100
Positive share of 32 comments
Engagement2.8%
Likes and comments per view on recent videos
Audience asks abouthow the critical period affects adult language learninghow to study pronunciation and listening in a second languagewhat current SLA research means for classroom teaching
Age
20%18-24
35%25-34
25%35-44
20%45+
Gender
50%women
50%men
Countries
🇬🇧 United Kingdom35%
🇯🇵 Japan20%
🇺🇸 United States15%
LanguagesEnglish 95%Japanese 5%

Commercial

0%of the last 50 videos were sponsored
None seenno sponsored videos in the last 50
Brands seen
None yet
Categories promoted
None yet
Affiliate links
No

No sponsorship disclosures found in the last 50 videos

Suitability GARM Brand Safety Floor + Suitability

Profanitylow
Adultlow
Drugslow
Violencelow
Politicslow

Family friendly
Academic lecture and research content with no flagged titles or descriptions.

We classify content, never people. No age, gender, ethnicity, religion or political views are inferred about the creator. Audience figures are estimates unless marked verified. Creators can correct anything on their profile.

Platforms

PlatformFollowersMedian viewsUploads, 90d
YouTube1.6k1.6k0
X–––

Benchmark score: 50 / 100

Public rule, same for everyone. How it works.

Engagement Median views relative to followers50 / 50
Activity Uploads in the last 90 days0 / 30
Reach Followers on the main platform0 / 20

Recent videos

Last three uploads, latest 738 days ago.

I am a researcher in applied linguistics. I work as Associate Professor at University College London. I will share a range of research talks & my lectures on second language (L2) acquisition & TESOL in English & 日本語. The channel is supported by Economic and Social Research Council & Leverhulme Trust. 英国ユニバーシティカレッジロンドンにて言語学・教育学を教えています。このチャンネルは英国 Economic and Social Research Council と Leverhulme Trust より研究資金援助を受けて、比較的新しい「第二言語習得」「英語教育法」に関する研究の面白さを伝えていきます。 Website (English, 日本語): http://kazuyasaito.net/ Twitter: https://twitter.com/KazuyaSLA Google Scholar: https://scholar.google.com/citations
Kazuya L2 Lab's own profile description on YouTube

Are you Kazuya L2 Lab? Claim or remove this profile.

About Kazuya L2 Lab

Kazuya Saito runs the YouTube channel Kazuya L2 Lab (@kazuyal2lab). According to his website, kazuyasaito.net, he is a professor of education at University College London. The channel posts lectures and research talks on second language acquisition and TESOL, in English and Japanese, many of them recorded interviews with other researchers. Uploads stopped about two years ago.

The audience is most likely academic: students, language teachers and researchers, mainly English speakers with a Japanese-speaking minority. These are estimates based on the content, not measured data. Median views are about 1,600 per video.

Estimated sponsored integration rates are $150 to $250 per video, which is above the $150 floor because the calculated rate falls below it. Compared with paid ads at $10 to $30 CPM, this channel's rate is hard to justify on reach. It suits educational publishers with a research-oriented message.

Written from Kazuya L2 Lab's public YouTube profile, platform data and web mentions. Numbers updated 2026-10-19. Kazuya L2 Lab can edit or remove this page at any time.

Questions about Kazuya

How much does Kazuya Saito charge for a sponsored video?

Based on the channel's median views of about 1,600, the estimated rate is $150 to $250 per video. This is an estimate from public metrics, not a published rate card, so confirm terms directly with the creator.

What does Kazuya Saito post about on YouTube?

The channel posts lectures and research talks on second language acquisition, TESOL and applied linguistics, in English and Japanese. Many videos are interviews with other researchers. The channel has not uploaded in about two years.

How do I contact Kazuya Saito for a brand deal?

Contact details unlock on Starbooked for $0.80. Boosted creators can be booked through Starbooked. This channel is not currently boosted, so the booking may need to go through the creator directly after unlocking contact details.