Darrell Zahorsky
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Darrell Zahorsky Email & Phone Number

Search Lead @ Critical Mass at Critical Mass
Location: Calgary, Alberta, Canada 6 work roles 1 school
1 work email found @criticalmass.com 1 phone found area 212 LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 1 phone

Work email d****@criticalmass.com
Direct phone (212) ***-****
LinkedIn Profile matched
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Current company
Role
Search Lead @ Critical Mass
Location
Calgary, Alberta, Canada
Company size

Who is Darrell Zahorsky? Overview

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Quick answer

Darrell Zahorsky is listed as Search Lead @ Critical Mass at Critical Mass, a company with 868 employees, based in Calgary, Alberta, Canada. AeroLeads shows a work email signal at criticalmass.com, phone signal with area code 212, and a matched LinkedIn profile for Darrell Zahorsky.

Darrell Zahorsky previously worked as Global SEO Manager at Critical Mass and Head of SEO at Lead Horse Media Inc. Darrell Zahorsky holds B.Sc., Human Kinetics from University Of Guelph.

Company email context

Email format at Critical Mass

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*@criticalmass.com
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Profile bio

About Darrell Zahorsky

I help agencies and companies create world class SEO increasing ROI up to 300%. I grew SEO budgets 100x from $5,000 month to $500,000 month up to $6 million annually for one company alone while driving $100’s millions in organic revenue. SEO professional with extensive management & hands on experience working with B2C and B2B markets with enterprise, SMB and top industry corporations.Achievement highlights include:• Created one of world's largest global SEO programs driving 20MM new traffic annually and +100M sales revenue while growing from 2 staff to 15 full time SEO’s. • Grew total organic traffic source from 37% to 70% of all website traffic. • Ranked top 10 for #1 keyword in world with billions of impressions across 20 countries in N.A., EMEA, APAC, and LATAM. • Made organic strong lead gen marketing channel in Digital Marketing for BlackBerry in early days defeating formidable, deeper pocket competitors such as Apple and Samsung in over 75% of SERPs.• Built successful content site for Small Business for About.com (New York Times) establishing thought leadership and large following while writing and editing 100's of articles, blog posts, etc. • Featured or mentioned in Harvard Business Work Knowledge, New York Times, Entrepreneur, CBC News, and TheStreet.Specialties: Advanced SEO, marketing intelligence through search, SEM, analytics, business writing, content marketing, account management, blogging, mobile search, high level reporting, strategic planning, and training.Tech Skills: Google Search Console, AdWords, Google Trends, Screaming Frog, Bing Webmaster Central, Majestic SEO, SEO MOZ, RIO, SEMRush, Conductor, Brightedge, AWR Rank Checker, comScore, Adobe Analytics, Google Analytics, CMS systems, SalesForce.

Listed skills include Seo, Digital Strategy, Web Analytics, Digital Marketing, and 26 others.

Current workplace

Darrell Zahorsky's current company

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Critical Mass
Critical Mass
Search Lead @ Critical Mass
calgary, alberta, canada
Employees
868
AeroLeads page
6 roles

Darrell Zahorsky work experience

A career timeline built from the work history available for this profile.

Global Seo Manager

Current

Calgary, Canada Area

Create and manage global, enterprise level SEO programs including all technical, content optimizations as well as advanced SEO (AI Overviews, featured snippets, site speed) across a range of industries (artificial intelligence, finance, tech) and clients in the U.S. and global markets (McKinsey.com., Citibank.com, NissanUSA.com, Infiniti Global).

Feb 2018 - Present

Head Of Seo

Lead Horse Media Inc

North America

Offer high level, high performance support to companies and agencies engaged in SEO and content wanting to create a world-class integrated organic program.

Oct 2015 - Jan 2018

Seo Advisor

Toronto, Canada Area

Assess clients’ business needs and provides strategic and operational leadership delivering high performance digital solutions. Worked on SEO and SEM campaigns for variety for large and small brands including Subway, Diageo ( Guinness, Smirnoff, Bailey's, Crown Royal), ADP, etc.- Manage digital marketing projects for a client portfolio.- Build strong.

Dec 2014 - Sep 2015

Global Seo Director

Covario

Remote

Develop, plan and execute leading search strategies & content marketing for top brands to optimize CTR, conversions and customer engagement through best practice synergies and advanced tactics. Areas of Knowledge include Technology, Financial, Insurance.- Created over 50-product launch campaigns achieving up to 483% visitor uplift and 225% increase in.

Jul 2009 - Aug 2014

Seo & Business Guide - About.Com

Remote

Built up and managed successful About.com Small Business Information web site and top channel in Business leveraging relations with top advertisers such as Dell & broader business journalism community.- Developed top small business website including content production of 300+ articles and 1,000 blog posts, SEO, community forums and managed freelance.

Sep 2002 - Feb 2010

Global Seo Manager

Waterloo, Ontario

Created world class SEO program with leading best practices & governance while managing major agencies including Performics, Covario and Ogilvy NEO and across multiple departments and countries.- Transformed rudimentary SEO program into category leader ahead of Apple, Samsung,etc as recognized by comScore, achieving over 150% traffic growth - Led SEO/SEM.

Feb 2008 - Jul 2009
Team & coworkers

Colleagues at Critical Mass

Other employees you can reach at criticalmass.com. View company contacts for 868 employees →

1 education record

Darrell Zahorsky education

FAQ

Frequently asked questions about Darrell Zahorsky

Quick answers generated from the profile data available on this page.

What company does Darrell Zahorsky work for?

Darrell Zahorsky works for Critical Mass.

What is Darrell Zahorsky's role at Critical Mass?

Darrell Zahorsky is listed as Search Lead @ Critical Mass at Critical Mass.

What is Darrell Zahorsky's email address?

AeroLeads has found 1 work email signal at @criticalmass.com for Darrell Zahorsky at Critical Mass.

What is Darrell Zahorsky's phone number?

AeroLeads has found 1 phone signal(s) with area code 212 for Darrell Zahorsky at Critical Mass.

Where is Darrell Zahorsky based?

Darrell Zahorsky is based in Calgary, Alberta, Canada while working with Critical Mass.

What companies has Darrell Zahorsky worked for?

Darrell Zahorsky has worked for Critical Mass, Lead Horse Media Inc, Iprospect, Covario, and The New York Times.

Who are Darrell Zahorsky's colleagues at Critical Mass?

Darrell Zahorsky's colleagues at Critical Mass include Emma Poirier, Natalie Clark, Logan Lee-Knight, Ricardo Carrillo, and Carlos Fernández Jiménez.

How can I contact Darrell Zahorsky?

You can use AeroLeads to view verified contact signals for Darrell Zahorsky at Critical Mass, including work email, phone, and LinkedIn data when available.

What schools did Darrell Zahorsky attend?

Darrell Zahorsky holds B.Sc., Human Kinetics from University Of Guelph.

What skills is Darrell Zahorsky known for?

Darrell Zahorsky is listed with skills including Seo, Digital Strategy, Web Analytics, Digital Marketing, Online Marketing, Google Analytics, Online Advertising, and Sem.

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