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Leonard Theisen

British Columbia, Canada

Creating websites and apps for photography

16,518

Total Points

•
2,819

JavaScript

2819 pts
Achievements

0 pts
Forum
•
2,577

CSS

2577 pts
Achievements

0 pts
Forum
•
1,893

PHP

1893 pts
Achievements

0 pts
Forum
•
1,893

Design

1893 pts
Achievements

0 pts
Forum
•
1,557

Development Tools

1557 pts
Achievements

0 pts
Forum
•
1,366

HTML

1366 pts
Achievements

0 pts
Forum
•
886

Ruby

886 pts
Achievements

0 pts
Forum
•
264

Business

264 pts
Achievements

0 pts
Forum
•
7

Java

7 pts
Achievements

0 pts
Forum

Points are earned whenever you take an important action on Treehouse.
Learn more about when and how points are earned.

Skills & Experience

Company

Northern Persona Photography

201 Achievements

Achievement
JavaScript Objects

JavaScript Loops, Arrays and Objects

Achieved
Feb 6, 2016
Achievement
JavaScript Arrays

JavaScript Loops, Arrays and Objects

Achieved
Feb 6, 2016
Achievement
JavaScript Loops

JavaScript Loops, Arrays and Objects

Achieved
Jan 31, 2016
Achievement
JavaScript Functions

JavaScript Basics (Retired)

Achieved
Jan 29, 2016
Achievement
JavaScript Conditional Statements

JavaScript Basics (Retired)

Achieved
Jan 29, 2016
Achievement
JavaScript Numbers

JavaScript Basics (Retired)

Achieved
Jan 26, 2016
Achievement
JavaScript Variables

JavaScript Basics (Retired)

Achieved
Jan 22, 2016
Achievement
Introducing JavaScript

JavaScript Basics (Retired)

Achieved
Jan 20, 2016
Achievement
Autoloading and Composer

PHP Standards and Best Practices

Achieved
Jan 20, 2016
Achievement
Databases and International Concerns

PHP Standards and Best Practices

Achieved
Jan 20, 2016
Achievement
Owning a WordPress Site Long Term

WordPress for Website Owners

Achieved
Jan 19, 2016
Achievement
WordPress Community Management

WordPress for Website Owners

Achieved
Jan 19, 2016
Achievement
Working with Media in WordPress

WordPress for Website Owners

Achieved
Jan 19, 2016
Achievement
WordPress Admin Settings

WordPress Admin Settings

Achieved
Jan 19, 2016
Achievement
WordPress User Roles

WordPress User Roles

Achieved
Jan 14, 2016
Achievement
WordPress Plugins

WordPress Basics

Achieved
Jan 14, 2016
Achievement
WordPress Themes

WordPress Basics

Achieved
Jan 13, 2016
Achievement
The WordPress Customizer

WordPress Basics

Achieved
Jan 13, 2016
Achievement
Managing Media in WordPress

WordPress Basics

Achieved
Jan 13, 2016
Achievement
Managing Content in WordPress

WordPress Basics

Achieved
Jan 12, 2016
Achievement
How to Install WordPress on Your Computer

How to Install WordPress on Your Computer

Achieved
Jan 7, 2016
Achievement
PHP Loops

PHP Basics (Retired)

Achieved
Feb 5, 2015
Achievement
PHP Conditionals

PHP Basics (Retired)

Achieved
Feb 5, 2015
Achievement
PHP Datatypes

PHP Basics (Retired)

Achieved
Feb 5, 2015
Achievement
PHP Data & Structure

PHP Basics (Retired)

Achieved
Feb 5, 2015
Achievement
PHP Getting Started

PHP Basics (Retired)

Achieved
Feb 5, 2015
Achievement
Starting Right with PHP Best Practices

PHP Standards and Best Practices

Achieved
Jan 5, 2015
Achievement
Adding and Editing Content

WordPress for Website Owners

Achieved
Dec 17, 2014
Achievement
Getting a WordPress Site

WordPress for Website Owners

Achieved
Dec 17, 2014
Achievement
Getting Started with WordPress

Getting Started with WordPress

Achieved
Dec 16, 2014
Achievement
Ruby Modules

Ruby Foundations

Achieved
Oct 27, 2014
Achievement
Ruby Procs & Lambdas

Ruby Foundations

Achieved
Oct 27, 2014
Achievement
Ruby Blocks

Ruby Foundations

Achieved
Oct 27, 2014
Achievement
Ruby Loops

Ruby Foundations

Achieved
Oct 26, 2014
Achievement
Ruby Methods

Ruby Foundations

Achieved
Oct 26, 2014
Achievement
Ruby Hashes

Ruby Foundations

Achieved
Oct 26, 2014
Achievement
Ruby Arrays

Ruby Foundations

Achieved
Oct 24, 2014
Achievement
Ruby Numbers

Ruby Foundations

Achieved
Oct 24, 2014
Achievement
Ruby Strings

Ruby Foundations

Achieved
Oct 23, 2014
Achievement
Objects, Classes, and Variables

Ruby Foundations

Achieved
Oct 22, 2014
Achievement
Ruby Basics

Ruby Foundations

Achieved
Oct 21, 2014
Achievement
Installing a Ruby Development Environment

Installing a Ruby Development Environment

Achieved
Oct 21, 2014
Achievement
Ruby Methods

Ruby Basics (Retired)

Achieved
Oct 21, 2014
Achievement
Ruby Numbers (Ruby Basics)

Ruby Basics (Retired)

Achieved
Oct 21, 2014
Achievement
Ruby Strings (Ruby Basics)

Ruby Basics (Retired)

Achieved
Oct 21, 2014
Achievement
How Ruby Works

Ruby Basics (Retired)

Achieved
Oct 21, 2014
Achievement
Limiting Results in Queries

Using PHP with MySQL

Achieved
Oct 16, 2014
Achievement
Using Relationship Tables

Using PHP with MySQL

Achieved
Oct 16, 2014
Achievement
Filtering Input for Queries

Using PHP with MySQL

Achieved
Oct 16, 2014
Achievement
Querying the Database

Using PHP with MySQL

Achieved
Oct 15, 2014
Achievement
Connecting to MySQL

Using PHP with MySQL

Achieved
Oct 13, 2014
Achievement
Securing and Maintaining a MySQL Database

Database Foundations

Achieved
Oct 13, 2014
Achievement
SQL Calculating, Aggregating and Other Functions

Database Foundations

Achieved
Oct 13, 2014
Achievement
Joining Relational Data Between Tables in SQL

Database Foundations

Achieved
Oct 13, 2014
Achievement
Manipulating Schema with SQL

Database Foundations

Achieved
Oct 11, 2014
Achievement
Creating Tables and Manipulating Data with SQL

Database Foundations

Achieved
Oct 11, 2014
Achievement
Reading Data from Databases with SQL

Database Foundations

Achieved
Oct 11, 2014
Achievement
Installing MySQL Server and MySQL Workbench

Database Foundations

Achieved
Oct 7, 2014
Achievement
Introduction to Data, Databases and SQL

Database Foundations

Achieved
Oct 7, 2014
Achievement
Paginating a List: Model and View

Enhancing a Simple PHP Application

Achieved
Oct 6, 2014
Achievement
Paginating a List: Controller

Enhancing a Simple PHP Application

Achieved
Oct 6, 2014
Achievement
Adding Search: Model

Enhancing a Simple PHP Application

Achieved
Oct 6, 2014
Achievement
Adding Search: Controller & View

Enhancing a Simple PHP Application

Achieved
Oct 6, 2014
Achievement
Refactoring the Codebase

Enhancing a Simple PHP Application

Achieved
Sep 14, 2014
Achievement
Cleaning URLs with Rewrite Rules

Enhancing a Simple PHP Application

Achieved
Sep 14, 2014
Achievement
Cleaning URLs with Subfolders

Enhancing a Simple PHP Application

Achieved
Sep 13, 2014
Achievement
Integrating Validation Errors

Enhancing a Simple PHP Application

Achieved
Sep 7, 2014
Achievement
Simple PHP Application: Wrapping Up The Project

Build a Simple PHP Application

Achieved
Sep 6, 2014
Achievement
Working with PHP Functions

Build a Simple PHP Application

Achieved
Sep 5, 2014
Achievement
Integrating With Paypal

Build a Simple PHP Application

Achieved
Sep 5, 2014
Achievement
Listing Inventory Items

Build a Simple PHP Application

Achieved
Sep 5, 2014
Achievement
Adding a Contact Form

Build a Simple PHP Application

Achieved
Sep 4, 2014
Achievement
Creating the Menu and Footer

Build a Simple PHP Application

Achieved
Sep 4, 2014
Achievement
Getting Started with PHP

Build a Simple PHP Application

Achieved
Sep 3, 2014
Achievement
Workflows

Git Basics

Achieved
Sep 3, 2014
Achievement
Working With Remote Repositories

Git Basics

Achieved
Sep 3, 2014
Achievement
Merging

Git Basics

Achieved
Sep 3, 2014
Achievement
Branches

Git Basics

Achieved
Sep 3, 2014
Achievement
Traversing and Manipulating the DOM with JavaScript

Interactive Web Pages with JavaScript

Achieved
Sep 3, 2014
Achievement
Selecting Elements and Adding Events with JavaScript

Interactive Web Pages with JavaScript

Achieved
Sep 2, 2014
Achievement
JavaScript and the DOM

Interactive Web Pages with JavaScript

Achieved
Sep 2, 2014
Achievement
Getting Started With Git

Git Basics

Achieved
Sep 1, 2014
Achievement
Why Version Control Matters

Git Basics

Achieved
Aug 28, 2014
Achievement
Installing Programs

Console Foundations

Achieved
Aug 28, 2014
Achievement
Environment and Redirection

Console Foundations

Achieved
Aug 27, 2014
Achievement
Console Processes

Console Foundations

Achieved
Aug 27, 2014
Achievement
Console Users and Permission

Console Foundations

Achieved
Aug 27, 2014
Achievement
Structuring Tables

HTML Tables

Achieved
Aug 26, 2014
Achievement
Table Basics

HTML Tables

Achieved
Aug 26, 2014
Achievement
Choosing Options

HTML Forms

Achieved
Aug 26, 2014
Achievement
Organizing Forms

HTML Forms

Achieved
Aug 25, 2014
Achievement
Form Basics

HTML Forms

Achieved
Aug 25, 2014
Achievement
Moving Around in the Console

Console Foundations

Achieved
Aug 1, 2014
Achievement
Chrome DevTools Basics

Website Optimization

Achieved
Aug 1, 2014
Achievement
Web Apps

Accessibility

Achieved
Jul 31, 2014
Achievement
Websites

Accessibility

Achieved
Jul 30, 2014
Achievement
Introduction

Accessibility

Achieved
Jul 30, 2014
Achievement
AJAX and APIs

AJAX Basics (retiring)

Achieved
Jul 29, 2014
Achievement
jQuery and AJAX

AJAX Basics (retiring)

Achieved
Jul 29, 2014
Achievement
Programming AJAX

AJAX Basics (retiring)

Achieved
Jul 27, 2014
Achievement
AJAX Concepts

AJAX Basics (retiring)

Achieved
Jul 26, 2014
Achievement
Creating a Simple Drawing Application

jQuery Basics (2014)

Achieved
Jul 26, 2014
Achievement
Creating a Password Confirmation Form

jQuery Basics (2014)

Achieved
Jul 26, 2014
Achievement
Creating a Mobile Drop Down Menu

jQuery Basics (2014)

Achieved
Jul 26, 2014
Achievement
Creating a Simple Lightbox

jQuery Basics (2014)

Achieved
Jul 26, 2014
Achievement
Creating a Spoiler Revealer

jQuery Basics (2014)

Achieved
Jul 25, 2014
Achievement
Introduction to jQuery

jQuery Basics (2014)

Achieved
Jul 25, 2014
Achievement
JavaScript Objects

JavaScript Foundations

Achieved
Jul 24, 2014
Achievement
JavaScript Functions

JavaScript Foundations

Achieved
Jul 23, 2014
Achievement
JavaScript Arrays

JavaScript Foundations

Achieved
Jul 21, 2014
Achievement
JavaScript Numbers

JavaScript Foundations

Achieved
Jul 20, 2014
Achievement
JavaScript Strings

JavaScript Foundations

Achieved
Jul 20, 2014
Achievement
Introduction Variables

JavaScript Foundations

Achieved
Jul 20, 2014
Achievement
Functions

Introduction to Programming

Achieved
Jul 20, 2014
Achievement
Objects and Arrays

Introduction to Programming

Achieved
Jul 20, 2014
Achievement
Control Structures

Introduction to Programming

Achieved
Jul 20, 2014
Achievement
Basics

Introduction to Programming

Achieved
Jul 20, 2014
Achievement
Spriting with Compass

Compass Basics

Achieved
Jul 19, 2014
Achievement
Compass Helper Functions

Compass Basics

Achieved
Jul 19, 2014
Achievement
Compass Layout and Typography

Compass Basics

Achieved
Jul 19, 2014
Achievement
Getting Started with Compass

Compass Basics

Achieved
Jul 19, 2014
Achievement
Advanced Sass Concepts

Sass Basics (retired)

Achieved
Jul 18, 2014
Achievement
Speeding up Workflow With Sass

Sass Basics (retired)

Achieved
Jul 17, 2014
Achievement
Variables, Mixins, and Extending Selectors

Sass Basics (retired)

Achieved
Jul 16, 2014
Achievement
Getting Started with Sass

Sass Basics (retired)

Achieved
Jul 15, 2014
Achievement
Better SEO Through Tools

SEO Basics

Achieved
Jul 11, 2014
Achievement
Better SEO Through Code

SEO Basics

Achieved
Jul 10, 2014
Achievement
Better SEO Through Content

SEO Basics

Achieved
Jul 7, 2014
Achievement
Moving Forward with UX

UX Basics

Achieved
Jul 7, 2014
Achievement
Tools UXers Use

UX Basics

Achieved
Jul 7, 2014
Achievement
How UXers Think

UX Basics

Achieved
Jul 7, 2014
Achievement
What Do User Experience Designers Do?

UX Basics

Achieved
Jul 6, 2014
Achievement
What is User Experience (UX)?

UX Basics

Achieved
Jul 4, 2014
Achievement
Finalizing the Project

Brand Identity Basics

Achieved
Jul 4, 2014
Achievement
Case Studies and Examples

Brand Identity Basics

Achieved
Jul 4, 2014
Achievement
The Brand Identity Design Process

Brand Identity Basics

Achieved
Jul 3, 2014
Achievement
Introduction to Brand Identity

Brand Identity Basics

Achieved
Jul 3, 2014
Achievement
The Logo Sprint

Logo Design Basics

Achieved
Jul 3, 2014
Achievement
Logo Design 101

Logo Design Basics

Achieved
Jul 3, 2014
Achievement
Introduction to SEO

SEO Basics

Achieved
May 14, 2014
Achievement
Creating Home Page Assets

Illustrator Foundations

Achieved
May 13, 2014
Achievement
Applying Effects

Illustrator Foundations

Achieved
May 13, 2014
Achievement
How to Draw in Illustrator

Illustrator Foundations

Achieved
May 11, 2014
Achievement
Adding Color and Type

Illustrator Foundations

Achieved
May 10, 2014
Achievement
Creating an Icon

Illustrator Foundations

Achieved
May 10, 2014
Achievement
Introduction to Illustrator

Illustrator Foundations

Achieved
May 8, 2014
Achievement
Workflow Basics

Photoshop Foundations

Achieved
May 7, 2014
Achievement
Slices & Save for Web

Photoshop Foundations

Achieved
May 7, 2014
Achievement
Vector Shapes

Photoshop Foundations

Achieved
May 7, 2014
Achievement
Type Tools

Photoshop Foundations

Achieved
May 3, 2014
Achievement
Masks Basics

Photoshop Foundations

Achieved
May 3, 2014
Achievement
Layer Basics

Photoshop Foundations

Achieved
Apr 30, 2014
Achievement
Workspace Basics

Photoshop Foundations

Achieved
Apr 30, 2014
Achievement
Design Foundations Final

Design Foundations

Achieved
Apr 30, 2014
Achievement
Becoming a Problem Solver

Design Foundations

Achieved
Apr 30, 2014
Achievement
Understanding Aesthetics

Design Foundations

Achieved
Apr 29, 2014
Achievement
Introduction to Design

Design Foundations

Achieved
Apr 27, 2014
Achievement
Color Theory

Aesthetic Foundations

Achieved
Apr 26, 2014
Achievement
Principles

Aesthetic Foundations

Achieved
Apr 18, 2014
Achievement
Elements

Aesthetic Foundations

Achieved
Apr 18, 2014
Achievement
Grid Layout

CSS Layout Techniques

Achieved
Apr 17, 2014
Achievement
Flexbox Layout

CSS Layout Techniques

Achieved
Apr 17, 2014
Achievement
Positioning Schemes

CSS Layout Techniques

Achieved
Apr 16, 2014
Achievement
Float Layout

CSS Layout Techniques

Achieved
Apr 15, 2014
Achievement
Display Modes

CSS Layout Techniques

Achieved
Apr 15, 2014
Achievement
Media Queries

Unused CSS Stages

Achieved
Apr 13, 2014
Achievement
CSS Animations

Unused CSS Stages

Achieved
Apr 10, 2014
Achievement
Transitions and Transforms

Unused CSS Stages

Achieved
Apr 9, 2014
Achievement
Flexbox and Multi-Column Layout

Unused CSS Stages

Achieved
Apr 7, 2014
Achievement
Gradients

CSS Foundations

Achieved
Apr 6, 2014
Achievement
Web Typography

CSS Foundations

Achieved
Apr 4, 2014
Achievement
Backgrounds and Borders

CSS Foundations

Achieved
Mar 29, 2014
Achievement
Debugging HTML and CSS Problems

How to Make a Website

Achieved
Mar 27, 2014
Achievement
Sharing a Website

How to Make a Website

Achieved
Mar 27, 2014
Achievement
Responsive Web Design and Testing

How to Make a Website

Achieved
Mar 26, 2014
Achievement
Adding Pages to a Website

How to Make a Website

Achieved
Mar 26, 2014
Achievement
Styling Web Pages and Navigation

How to Make a Website

Achieved
Mar 26, 2014
Achievement
Customizing Colors and Fonts

How to Make a Website

Achieved
Mar 26, 2014
Achievement
CSS: Cascading Style Sheets

How to Make a Website

Achieved
Mar 26, 2014
Achievement
Creating HTML Content

How to Make a Website

Achieved
Mar 17, 2014
Achievement
HTML First

How to Make a Website

Achieved
Mar 17, 2014
Achievement
Beginning HTML and CSS

How to Make a Website

Achieved
Mar 17, 2014
Achievement
CSS Box Model

CSS Foundations

Achieved
Feb 22, 2014
Achievement
Text, Fonts, and Lists

CSS Foundations

Achieved
Feb 22, 2014
Achievement
Values and Units

CSS Foundations

Achieved
Feb 21, 2014
Achievement
Advanced Selectors

CSS Foundations

Achieved
Feb 13, 2014
Achievement
Selectors

CSS Foundations

Achieved
Feb 12, 2014
Achievement
Getting Started with CSS

CSS Foundations

Achieved
Jan 29, 2014
Achievement
Forms

HTML

Achieved
Jan 29, 2014
Achievement
Tables

HTML

Achieved
Jan 28, 2014
Achievement
Objects

HTML

Achieved
Jan 27, 2014
Achievement
Links

HTML

Achieved
Jan 27, 2014
Achievement
Lists

HTML

Achieved
Jan 27, 2014
Achievement
Text

HTML

Achieved
Jan 27, 2014
Achievement
Introduction

HTML

Achieved
Jan 27, 2014
Achievement
Launching the Website

Build a Simple Website

Achieved
Jan 26, 2014
Achievement
Styling Content

Build a Simple Website

Achieved
Jan 26, 2014
Achievement
Creating a Website Structure

Build a Simple Website

Achieved
Jan 26, 2014
Achievement
Text Editors and HTML

Build a Simple Website

Achieved
Jan 26, 2014
Achievement
Website Basics

Build a Simple Website

Achieved
Jan 26, 2014
Achievement
Newbie

Achieved
Jan 26, 2014