Mark D. Walker
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Mark D. Walker Email & Phone Number

Co-Founder, Chairman and CEO at Direct Digital Holdings at Direct Digital Holdings
Location: Houston, Texas, United States 7 work roles 2 schools
1 work email found @directdigitalholdings.com LinkedIn matched
✓ Verified Jul 2026 4 data sources Profile completeness 86%

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Current company
Direct Digital Holdings
Role
Co-Founder, Chairman and CEO at Direct Digital Holdings
Location
Houston, Texas, United States

Who is Mark D. Walker? Overview

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Mark D. Walker is listed as Co-Founder, Chairman and CEO at Direct Digital Holdings at Direct Digital Holdings, based in Houston, Texas, United States. AeroLeads shows a work email signal at directdigitalholdings.com and a matched LinkedIn profile for Mark D. Walker.

Mark D. Walker previously worked as Co-Founder, Chairman and CEO at Direct Digital Holdings and Chief Operating Officer at Ebony Media. Mark D. Walker holds Bachelor Of Arts, Economics from The University Of Texas At Austin.

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Email format at Direct Digital Holdings

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{first_initial}{last}@directdigitalholdings.com
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About Mark D. Walker

Mark Walker brings nearly 20 years of experience in private equity, building relationships, and revenue generating operations for Fortune 500 corporations as well as start-ups. His experience and expertise involves strategic planning, management and execution while building and maintaining subscriber bases for utilities, marketing, and retail organizations. Mr. Walker has been on multiple advisory boards, including Hitwise and Dentsu Aegis, and has written articles and case studies appearing in Jupiter Research, Search Engine Watch and the IAB.

Current workplace

Mark D. Walker's current company

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Direct Digital Holdings
Direct Digital Holdings
Co-Founder, Chairman and CEO at Direct Digital Holdings
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7 roles · 28 years

Mark D. Walker work experience

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Co-Founder, Chairman And Ceo

Current
Direct Digital Holdings

Houston, Texas, Us

Responsible for DDH company's financial, operational and sales and marketing structures to plan for continual improvements and a continual increase of operating efficiencies.Provide strategic input and leadership on decision making issues affecting the organization; specifically relating to the evaluation of potential mergers, acquisitions or partnerships. Raised multiple rounds of capital to ensure the financial stability of DDH while completing multiple acquisitions to facilitate growth and strategic direction of the company.Communicate effectively and establish credibility throughout the organization and with the Board of Directors.

Jun 2018 - Present

Chief Operating Officer

Ebony Media

Us

Drive the digital transformation for Ebony from a primarily print publicationto a digital platform, increasing the website/mobile traffic, and increase thedigital revenueManage the organization and assist in driving revenue into the organization forthe print, digital and event service linesRecruit, hire and retain top talent for key leadership positions and ensurethe implementation of a positive corporate culture across all divisions ofEMO/EMH

Sep 2016 - May 2019

Director - Business Development, Ecommerce And Retail

Nrg Energy

Houston, Texas, Us

Responsible for business development function with Fortune 500 companies to drive revenue through strategic partnerships for NRG Home within the smart energy, smart home, solar industry and telecommunications space.Drive revenue through residential and small business customers for NRG Home portfolio companies. Revenue is driven through the management of retail partnerships, national strategic partnerships and digital channels within a multi-million dollar budget.

Feb 2011 - Sep 2016

Sr. Manager - Ecommerce

Reliant Energy

Houston, Texas, Us

Mar 2009 - Feb 2011

Manager - Online Acquistion

Reliant Energy

Houston, Texas, Us

Oct 2005 - Mar 2009

Marketing Associate

Deloitte

Worldwide, Oo

Responsible for the marketing efforts of Deloitte tax services to the Oil & Gas and Oilfield Services industry of the MidAmerica region. Designated as the Lead Client Marketer for the largest Fortune 500 manufacturing firm within the MidAmerica region.

Sep 2002 - Oct 2005

Business Development Manager/Product Marketing Analyst

Questia

Responsible for the web development, website functionality definition and subsequent marketing of the website through online marketing techniques such as search engine marketing (SEM), Search Engine Optimization (SEO) and email campaigns. Negotiated contracts and partnerships with Google, Yahoo, BellSouth and Sprint

1999 - 2002 ~3 yrs
2 education records

Mark D. Walker education

Bachelor Of Arts, Economics

The University Of Texas At Austin

Education record

St. Thomas High School
FAQ

Frequently asked questions about Mark D. Walker

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

What company does Mark D. Walker work for?

Mark D. Walker works for Direct Digital Holdings.

What is Mark D. Walker's role at Direct Digital Holdings?

Mark D. Walker is listed as Co-Founder, Chairman and CEO at Direct Digital Holdings at Direct Digital Holdings.

What is Mark D. Walker's email address?

AeroLeads has found 1 work email signal at @directdigitalholdings.com for Mark D. Walker at Direct Digital Holdings.

Where is Mark D. Walker based?

Mark D. Walker is based in Houston, Texas, United States while working with Direct Digital Holdings.

What companies has Mark D. Walker worked for?

Mark D. Walker has worked for Direct Digital Holdings, Ebony Media, Nrg Energy, Reliant Energy, and Deloitte.

How can I contact Mark D. Walker?

You can use AeroLeads to view verified contact signals for Mark D. Walker at Direct Digital Holdings, including work email, phone, and LinkedIn data when available.

What schools did Mark D. Walker attend?

Mark D. Walker holds Bachelor Of Arts, Economics from The University Of Texas At Austin.

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