Linguistic Engineering Driving Modern Language Learning.

David Allen Martin II is the founder and CEO of LinguaThor and the architect behind high-performance language learning systems used by some of the world's top polyglots and educators.

David Allen Martin II Speaking

"I wasn't born a polyglot. I engineered a system to become one."

From Monolingual to Polyglot

Originally from San Diego, David Allen Martin II began his journey as a monolingual English speaker. Today, he is a celebrated Germanist and accent trainer who speaks German like a native and is fluent in Spanish as well as speaking Italian, French, Dutch and Mandarin Chinese to varying degrees of fluency.

His approach combines academic rigor with applied technology and 20 years of experience learning languages. With degrees from UC Berkeley (German) and the University of Göttingen (Germanic Linguistics), plus advanced German & Spanish translation studies at the University of Heidelberg, David helps learners bridge the gap between the science of language learning and the art of speaking it.

Phonetics Expert

Specialist in pronunciation and accent reduction.

AI Strategist

Pioneer in AI-driven language learning.

The Translation³ (T³) Method

LinguaThor's core language learning engine. A systematic approach to decoding any language and automating grammar without rules.

1

Idiomatic Translation

Understanding the meaning first. The text is translated naturally into your native language to provide immediate context, eliminating the need for dictionaries.

2

Literal Translation

Understanding the structure. Every word is translated literally to reveal the hidden syntax and logic of the target language (e.g., "I have hunger" vs "I am hungry").

3

A.R.T. (Active Reverse Translation)

Activation. You translate the text back into the target language using only the literal cues. This wires the grammar into your brain as a reflex.

The Ecosystem

Strategic Collaborations

David provides the technical architecture and systems for the world's leading language programs.

Luca Lampariello × David Allen Martin II

High-Performance Polyglot Mastery

As an essential "System Architect" and instructional designer, David helps Luca build the foundational psychological frameworks and high-accountability systems that turn language theory into real-world action. Together, they create rigorous programs that combine the Lampariello SMART System with David's software platform, LinguaThor, providing the vital technological and structural backbone needed to eliminate guesswork and accelerate fluency.

  • The Momentum Club

    A complete system and private accountability community featuring Luca’s and David’s daily “Workout of the Day” (WOD), monthly live group coaching calls, and structured monthly challenges to eliminate guesswork and turn frustration into unstoppable momentum.

  • Spanish Fluency Sprint

    The “Anti-School” experience for learners stuck at the B1 level using David’s popular “Language Sprint” format. A 12-week high-accountability program, rather than a standard 90-day video course you watch and forget.

  • Pronunciation Masterclass

    Features Luca’s and David’s “Top-Down Accent Rewiring System™” to help learners fix fossilized errors, build the right listening foundation, and sound clear, confident, and authentic—even if they have been stuck for years.

  • Vocabulary Revolution

    A live, structured 3-week roadmap featuring four live workshops designed to turn passive knowledge (“book smarts”) into confident, spoken fluency (“street smarts”) by installing a new “Speaking Operating System” in the brain.

Luca Lampariello and David Allen Martin II

"LinguaThor is the tool I've been waiting for—it automates the tedious parts of my translation method."

— Luca Lampariello

4

Joint Programs

1k+

Students Served

5+

Languages Covered


Bonjour French x LinguaThor - Charles and David

"We needed someone who could build the backbone of a serious language program—David brought exactly that."

— Charles, Bonjour French

3

Program Tiers

90

Days to B2

B1→B2

Envisaged Leap


Flemming Goldbecher × LinguaThor

The German AI Academy

A joint program by LinguaThor and Natural. Fluent. German. that takes B2–C1 learners to the C1 level. Flemming—native speaker, former journalist, and polyglot—brings authentic German immersion and live conversation practice. David provides the pedagogical architecture: structured AI prompts and exercises for ChatGPT and Gemini, AI-powered Tandem Spaces with detailed personalized feedback reports on grammar & pronunciation, monthly live coaching calls, and a custom 24/7 AI tutor. Over 500 learners from around the world have used it to finally break through the B2–C1 plateau.

Visit the Academy

Media & Keynotes

Conference & Keynote Talks

Polyglot Conference 2024

Translation³ – Official Polyglot Conference Keynote

Official Keynote (Sep 2024): David presents the full Translation³ method and how bilingual data can accelerate acquisition at the global Polyglot Conference.

Poliglotar 2021

A 3-Level Translation-Based Methodology

Keynote at Poliglotar 2021: David introduces the three-layer translation framework that would become the T³ Method, live in front of an international polyglot audience.

Natural. Fluent. German.

Super-Technik: So verstehst du jedes Wort

David’s flagship demonstration of the T³ listening-comprehension technique with Flemming—one of the most-watched videos in the Natural Fluent German catalog.

With Luca Lampariello

Luca Lampariello Channel

Why Most Learners Get Stuck at B2 (and How to Fix It!)

Luca and David break down the specific mental and structural traps that keep B1 learners from crossing into real fluency—and the exact system to escape them.

Luca Lampariello Channel

How to Learn a Language Effectively (Q&A with David Allen Martin II)

A deep-dive Q&A covering the psychology of language learning, the T³ method, and why most traditional approaches produce “zombie learners.”

Luca Lampariello Channel

Ask Luca and David Everything About Language Learning!

Live open Q&A where students fire questions at Luca and David on topics ranging from grammar automation to building fluency in 90 days.

Luca Lampariello Channel

Fluency: The Secret System You Haven’t Tried

Luca and David reveal the hidden structural system that separates truly fluent speakers from learners who plateau—and how to install it.

El Jardín de Martín (Spanish — Viral Series)

El Jardín de Martín

Intérprete REVELA su MÉTODO para hablar alemán perfecto

Viral Interview (91K+ views): David explains the T³ method entirely in Spanish on the famous El Jardín de Martín channel. A must-watch for understanding his “reverse translation” philosophy.

El Jardín de Martín

Así mejoras la pronunciación de un idioma

David dives into the phonetic science behind accent reduction and how native-like pronunciation is an engineering problem, not a talent problem.

El Jardín de Martín

Traductor de idiomas profesional explica su método

A professional interpreter walks through how working translators think about language—and why that mindset turbocharges acquisition for everyday learners.

Auf Deutsch gesagt (Robin Meinert)

Auf Deutsch gesagt

Säulen des Sprachenlernens mit David – Ep. 160

Feb 2026: David sits down with Robin Meinert on “Auf Deutsch gesagt” to revisit the core pillars of language learning and how AI is reshaping what it means to reach C1–C2 in German.

LingoCast Podcast

LingoCast

#94 – The English Language, Developing A Good Accent…

Part 1 of a two-part deep-dive: David covers the history of English phonology, what “a good accent” really means, and why most accent-reduction courses miss the point entirely.

LingoCast

#95 – Native Accent, Flashcards & The Translation³ Method

Part 2: David explains why flashcards can’t produce fluency, how the Anti-Flashcard mindset works, and live demos of the Translation³ method in action.

HYPIA & Other Appearances

HYPIA

HYPIA Interview – Judy Um & David Allen Martin II

The Hyperpolyglot Association sits down with David to discuss AI integration in linguistics, the future of language education, and what hyperpolyglots do differently.

GermanLingQ

Learn German: Speaking 8 Languages?

David demonstrates and discusses the mechanics of juggling multiple languages simultaneously—and why the “interference” most learners fear is actually a sign of progress.

Early Archive (2013)

American Polyglot Speaks German, Spanish, Chinese & French

An early 2013 language-demonstration video—pre-T³ era—showing David’s native-level proficiency in German and humble beginnings in Spanish and Mandarin Chinese.

Natural. Fluent. German.

Natural. Fluent. German.

Akzentfrei und fehlerfrei: Dieser Amerikaner spricht besser Deutsch als viele Deutsche (Teil 1)

Part 1 of a two-part interview series: Flemming puts David’s German accent and fluency to the test, examining what makes a non-native speaker sound indistinguishable from a native.

Natural. Fluent. German.

“Ich konnte kein Gespräch auf Deutsch führen”: Die typischen Probleme beim Deutsch Lernen (Teil 2)

Part 2: The most common roadblocks that hold German learners back from real conversation—and the specific techniques David used to overcome them.

Natural. Fluent. German.

Deutscher Wortschatz: So erkennst du, welche Wörter WIRKLICH wichtig sind

David shares his frequency-based vocabulary strategy for German—how to identify the words that actually drive comprehension and drop the ones that waste study time.

Natural. Fluent. German.

Der letzte Deutschkurs deines Lebens – Die GERMAN AI ACADEMY

The official launch video for the German AI Academy: David and Flemming introduce their AI-powered B2→C1 program and explain why traditional courses keep learners stuck.

Natural. Fluent. German.

Fließendes Deutsch durch Künstliche Intelligenz: Probiere unsere Methode!

A practical walkthrough of how to use ChatGPT and other AI tools for daily German conversation practice—demonstrated using the methods from the German AI Academy.

Natural. Fluent. German.

Formelles Deutsch oder Umgangssprache? So erkennst du es! / Deutsch lernen C1

David and Flemming tackle one of the trickiest challenges at the C1 level: knowing when to use formal vs. colloquial German register—and how AI feedback accelerates the distinction.

Natural. Fluent. German.

So hilft dir ChatGPT beim Deutsch Lernen

A beginner-friendly guide to integrating ChatGPT into your German study routine—from writing practice to real-time conversation simulation, structured around David’s AI prompting system.