Reuven Lerner

What Reuven Lerner does

Reuven Lerner is a sole-proprietor Python training and consulting practice, operated through Lerner Consulting and headquartered in Modi'in, Israel. Founded in 1995, the business delivers personalized corporate training for enterprise technology teams, with named repeat clients including Apple, ARM, Cisco, Citibank, IBM, Intel, PayPal, VMWare, and Western Digital. Training is delivered on-site and remotely across the United States, Europe, Israel, India, and China, with engagement typically booked months in advance.

The core technical and pedagogical approach is built around Jupyter notebooks: instructors live-code into notebooks rather than using slides, and courses are composed of 30-40% hands-on labs. Students receive the Jupyter notebooks after each class for review and reference. The product portfolio spans an online learning platform (LernerPython.com), a self-paced online course store (store.lerner.co.il), published books via Manning Publications (Python Workout in 2020, Pandas Workout in progress), and three newsletters: Better Developers (30,000+ developer subscribers), Bamboo Weekly (current-events data problems), and Trainer Weekly (audience of fellow corporate trainers).

The business model combines quote-based enterprise training services (the primary revenue stream), recurring online course subscriptions, and one-time book royalties. Distribution is driven by a community-led content marketing motion anchored by the newsletters, alongside a sales-led motion for corporate training bookings. The founder-owner is the sole practitioner, holding a computer science degree from MIT and a PhD in learning sciences from Northwestern University, providing a differentiated blend of technical depth and pedagogical expertise.

Name

Reuven Lerner

Legal name

Lerner Consulting (operated by Reuven M. Lerner)

Website

https://lerner.co.il

Company type

Private

Founded year

1995

Operating status

Operating

Headcount range

1–10 employees

Short description

Reuven Lerner is a solo Python trainer and consultant providing corporate training, online courses, published books, and newsletters to enterprise developer teams and individual developers worldwide.

Ownership category

akta.pro rank

Product category

Professional Training and Education

NAICS

Professional and Management Development Training (611430), Computer Training (611420), Business Schools and Computer and Management Training (6114), Computer Training (61142), Professional and Management Development Training (61143)

SIC

Services-Educational Services (8200), Services-Management Consulting Services (8742)

akta.pro primary industry

Data, Analytics & Business Intelligence (SQL, BI Tools, Reporting) (EDABAFAD)

akta.pro secondary industries

Certification & Credentialed Creator Programs (MPACALAI), IT, Systems & Tools Onboarding (Access, Apps, Security Basics) (EDABAOAE)

Keywords

• Python training
• Corporate training
• Online learning
• Data science courses
• Developer education

Headquarters

HQ city

Modi'in

HQ country

Israel

HQ region

Middle East

Offices1 record

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Technology or R&D

Revenue model

1. Corporate Training: Personalized corporate training for enterprise clients. Sales motion involves scheduling Zoom meetings to discuss company needs. Typically booked months in advance. Clients include Apple, ARM, Cisco, Citibank, IBM, Intel, PayPal, VMWare, Western Digital.
2. Online Courses: Self-paced online courses available through LernerPython.com and dedicated product sites (PythonWorkout.com, PandasWorkout.com). Courses sold through online store.
3. Book Sales: Published books including Python Workout (Manning, 2020) and upcoming Pandas Workout. Revenue from book sales through publishers.
4. Newsletter Content: Free weekly newsletter 'Better developers' with 30,000+ subscribers serves as a customer acquisition and relationship maintenance channel. Trainer Weekly newsletter targets trainer audience.

Pricing tiers

Go-to-market motion3 records

Core offering

Reuven Lerner provides personalized corporate Python training for enterprise developer teams, delivered on-site or remotely using interactive Jupyter-notebook-based live coding with 30-40% hands-on labs. He also sells self-paced online Python and data science courses through dedicated websites, publishes technical exercise books via Manning Publications, and distributes free weekly newsletters (Better Developers, Trainer Weekly, Bamboo Weekly) to over 30,000 developers.

Product overview

Reuven Lerner is a full-time Python trainer offering a portfolio of educational products and services. The core offering centers on LernerPython.com, an online learning platform, supplemented by published books including Python Workout (2020) and the in-progress Pandas Workout. He provides personalized corporate training for enterprise clients and publishes several newsletters including Bamboo Weekly (problem-based learning with public datasets), Better Developers (30,000+ readers), and Trainer Weekly. All offerings emphasize interactive, hands-on learning through Jupyter notebooks with 30-40% practical labs.

Differentiator

Problem solved

Functional benefit

Brands

• Better Developers Newsletter: Free weekly newsletter about Python and software engineering read by more than 30,000 developers.
• Trainer Weekly

Products and services

• Corporate Python Training Personalized on-site and remote Python training for developer teams at enterprise companies, featuring interactive live coding in Jupyter notebooks, 30-40% hands-on labs, and post-class notebooks for review. Repeat clients include Apple, ARM, Cisco, Citibank, IBM, Intel, PayPal, VMware, and Western Digital.
• LernerPython.com Online Learning Platform Primary online learning platform offering Python courses, free email courses, and corporate training materials. Features interactive exercises and Jupyter-notebook-based instruction for individual developers worldwide.
• Python Workout Book Collection of Python exercises with extensive explanations, published by Manning in 2020. Designed to help developers improve their Python fluency through structured, exercise-based learning.
• Pandas Workout Book Collection of exercises using the pandas library for data analytics, structured similarly to Python Workout with extensive explanations. Published by Manning.
• Bamboo Weekly Weekly newsletter that on Wednesdays presents a problem based on current events using a public data set, and on Thursdays shares detailed Pandas solutions to those problems.
• Online Course Store E-commerce platform at store.lerner.co.il selling access to self-paced online Python and data science courses for developers worldwide.

Quantifiable outcome

• 30,000+ developers subscribed to weekly newsletter

Named customers9 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature2 records

Partnerships

Two partnerships are on record, tiered core and minor.

• Manning PublicationscoreStrategic or Co-development Partner · 1 January 2020Published Python Workout (2020) with Manning Publications. Currently working on Pandas Workout with the same publisher. Partnership involves collaborative content development with extensive explanations for exercise-based learning.
• Business of Freelancing PodcastminorStrategic or Co-development PartnerCo-founder of the Business of Freelancing podcast. Collaborative media venture focused on freelancer business topics.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Educative: Interactive, text-based technical learning platform covering Python, data, and software engineering skills. Comparable technology-led pedagogy and developer upskilling focus.
• Real Python: Online Python education platform with tutorials, video courses, and learning paths. Directly competes in paid individual Python education and overlaps with Lerner's online course and newsletter funnels.
• DataCamp: Subscription-based data science and Python learning platform. Competes most directly with the Pandas Workout / data-science side of Lerner's catalog and the individual-developer segment.
• Talk Python Training: Michael Kennedy's Python-focused training and podcast business. Closest direct peer: solo-founder-run Python courses, podcasts, and corporate training targeting the same developer audience.

Regional players

• Coding Dojo: Bootcamp-style programming school with corporate training offerings. Comparable 'instructor-led, hands-on' pedagogy, though primarily bootcamp rather than corporate Python upskilling.

Broad incumbents

• Pluralsight: Large enterprise technology skills platform with broad Python and data science content. Competes for the same corporate training budget as Lerner Consulting at larger scale.
• Udemy Business: Enterprise arm of Udemy offering on-demand Python and data courses for corporate L&D. Competes with Lerner's online courses and is an alternative to bespoke corporate training.
• Coursera: Massive online learning marketplace offering Python and data science courses from universities and companies. Competes for individual learners and increasingly for enterprise upskilling budgets.
• LinkedIn Learning: Enterprise subscription learning library covering Python, data, and professional skills. A budget alternative buyers consider before commissioning bespoke training engagements.

Emerging players

• Kaggle Learn: Google-owned free micro-courses on Python, pandas, and data science. Emerging overlap with Lerner's individual-developer segment, particularly for pandas-focused learners.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks5 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/lerner-consulting

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Reuven Lerner