AeroLeads people directory · profile

William Mann Email & Phone Number

Horizon Media at Horizon Media
Location: New York, United States 10 work roles 1 school
1 work email found @erols.com 9 phones found area 718, 347, 610, 817, and 412 LinkedIn matched
✓ Verified Jul 2026 4 data sources Profile completeness 86%

Contact Signals · 1 work email · 9 phones

Work email l****@erols.com
Direct phone (718) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Horizon Media
Location
New York, United States
Company size

Who is William Mann? Overview

A concise factual answer block for searchers comparing this professional profile.

Quick answer

William Mann is listed as Horizon Media at Horizon Media, a with 3183 employees, based in New York, United States. AeroLeads shows a work email signal at erols.com, phone signal with area code 718, 347, 610, 817, 412, and a matched LinkedIn profile for William Mann.

William Mann previously worked as Associate Global Media Director at Tbwa\Worldwide and Associate Media Director at Horizon Media. William Mann holds Master Degree - International Track, Management from Isg Institut Supérieur De Gestion.

Company email context

Email format at Horizon Media

This section adds company-level context without repeating William Mann's masked contact details.

*@erols.com
68% confidence

AeroLeads found 1 current-domain work email signal for William Mann. Compare company email patterns before reaching out.

Profile bio

About William Mann

Professional strengths include:• RE Investment (Fix & Flip, Multi-family)• Media Investment• Global Strategy• Cross-cultural Management (acquired through both studies and professional experience in China, France, USA)

Current workplace

William Mann's current company

Company context helps verify the profile and gives searchers a useful next step.

Horizon Media
Horizon Media
Horizon Media
Miami, FL, US
Employees
3183
AeroLeads page
10 roles

William Mann work experience

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

Associate Global Media Director

New York, Ny, Us

TBWA is part of Omnicom Group (NYSE: OMC), a leading global marketing and corporate communications company. TBWA is recognized by Adweek as Global Agency of the Year for second year in a row (2021, 2022)- Help govern and assess local activity while also working to implement global strategic projects and partner- Offer support across all media practices to global clients as well as local media teams- Focus on governance and coordination of strategic initiatives across key markets and regularly liaise with the client team- Recommend, plan, and conduct testing opportunities with the help of TBWA teams in the US and Internationally - Develop global provider recommendations across key functional areas including brand safety and privacy, media optimization platforms and innovation technologies - Oversee governance of media plans reflecting budget changes and ensuring consistency and accuracy of investment

Sep 2022 - Dec 2024

Associate Media Director

New York, New York, Us

Horizon Media is the largest independent media agency in the world and the third largest U.S. media agency according to COMvergence data-Acted as the day-to-day liaison between the client and media community, providing leadership, strategic direction, and input for media plans- Managed the flow of client requests and deliverables- Established and grew a strong relationship with client(s) through a demonstration of industry knowledge and of the client’s basic business issues- Oversaw budget allocation process for media/fees across all digital media platforms (display, video, direct response, social)- Established and recommended optimization framework, supporting client objectives and tying back to specific KPIs- Conducted performance reviews for media planning/buying team- Acted as a mentor and foster professional growth among the team

Aug 2021 - Aug 2022

Digital Media Supervisor

New York, New York, Us

Horizon Media is the largest independent media agency in the world and the third largest U.S. media agency according to COMvergence data- Lead the development of tactical recommendations across Digital, Print and Social channels- Present weekly performance reviews (digital & social activity) to C-level executives (CEO, CMO)- Drive evaluation process of vendor proposals for both qualitative and quantitative components- Supervise media planners

Jun 2019 - Aug 2021

Manager Digital Investment

London, England, Gb

Mindshare is part of GroupM, which oversees the media investment management sector for WPP, the world’s leading communications services group.

Jun 2019 - Jun 2019

Senior Associate Digital Investment

London, England, Gb

- Collaborated on Campaign Briefs (media plan parameters, media objectives, buying guidelines, assets)- Assisted with development of digital media plans (managed RFP process, evaluated and negotiated media proposals)- Executed digital campaigns (IO, trafficking & tagging, reporting process)- Managed campaigns (analytics & optimizations, flowchart process)

May 2017 - Jun 2019

Associate Digital Investment

London, England, Gb

Digital Media Buying & Planning Certified - IAB- Collaborated on Campaign Briefs (plan parameters, media objectives, buying guidelines, assets)- Assisted on developing digital media plan (managed RFP process, evaluated and negotiated media proposals)- Executed campaigns (IO process, trafficking & tagging, reporting process)- Managed campaigns (analytics & optimizations, manage flowchart process)

May 2016 - Apr 2017

Sales Representative

Issy-Les-Moulineaux, Fr

- Participated in the development of the company in NYC - 300 accounts, from 415 Starbucks 2015 to 7,500 in 2016 within 1 year.- Prospected for potential new clients and turned this into increased business.- Identified potential clients, and the decision makers within the client organization.- Researched and built relationships with new clients.- Set up meetings between client decision makers and company’s practice leaders/Principals.- Planned approaches and pitches. * Worked with team to develop proposals that speaks to the client’s needs, concerns, and objectives.- Participated in the marketing/social medial communication of the company.- Handled objections by clarifying, emphasizing agreements and working through differences to a positive conclusion. * Used a variety of styles to persuade or negotiate appropriately.

Apr 2015 - Oct 2015

Digital Marketing Assistant

Shanghai, Cn

- Assisted the company in its digital transformation (created/managed different websites - wordpress).- Assisted with social media & advertising (display, social media (Linkedin, Twitter), video & website creation)- Facilitated the development of a network of entrepreneurs (newsletters, emailing, mobile app, workshops).- Conviced 14 C-suite to host at the first «open company» in Shanghai - http://sh.openco.asia- Assisted with development and printing of marketing materials for each event.- Planned and coordinated over 10 events including workgroups, seminars, site tours, a trade show and a conference.- Achieved to plan an entire event to include all aspects of pre-planning, on-site, and post-planning activities. (14 speakers & 35 delegates during a 2 days event).- Developed the schedule and agenda of each event with speakers.- Supervised events logistics (F & B, security, room sets, faculty communications, etc).

Feb 2014 - Jul 2014

Ocean Lifeguard

Paris, Île-De-France, Fr

- Worked during 3 summers on beaches for a national association called "Société Nationale des Sauveteurs en Mer".- Initiated water rescues in various situations and conditions.- Provided first aid care for minor injuries or care until EMS personnel arrived, along with giving CPR, when necessary.- Assisted in varied maintenance of lifesaving equipment and facilities.- Functioned as a spokesperson.- Provided emergency care for patients with traumatic injuries in stressful situations.- Performed emergency medical procedures.- Skilled in using Semi-Automatic Defibrillators in cardiac emergencies.- Proficiency in performing CPR Professional Rescuer.

Jun 2008 - Jul 2012
Team & coworkers

Colleagues at Horizon Media

Other employees you can reach at horizonmedia.com. View company contacts for 3183 employees →

1 education record

William Mann education

  • Isg Institut Supérieur De Gestion
    Isg Institut Supérieur De Gestion
    Management
FAQ

Frequently asked questions about William Mann

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

What company does William Mann work for?

William Mann works for Horizon Media.

What is William Mann's role at Horizon Media?

William Mann is listed as Horizon Media at Horizon Media.

What is William Mann's email address?

AeroLeads has found 1 work email signal at @erols.com for William Mann at Horizon Media.

What is William Mann's phone number?

AeroLeads has found 9 phone signal(s) with area code 718, 347, 610, 817, 412 for William Mann at Horizon Media.

Where is William Mann based?

William Mann is based in New York, United States while working with Horizon Media.

What companies has William Mann worked for?

William Mann has worked for Horizon Media, Tbwa\Worldwide, Mindshare, Michel Et Augustin, and Chain Media.

Who are William Mann's colleagues at Horizon Media?

William Mann's colleagues at Horizon Media include Gina Dainello, Jameson Brown, Hmi Social Marketplace, Megan Buckley, and Mouhamed Baldi.

How can I contact William Mann?

You can use AeroLeads to view verified contact signals for William Mann at Horizon Media, including work email, phone, and LinkedIn data when available.

What schools did William Mann attend?

William Mann holds Master Degree - International Track, Management from Isg Institut Supérieur De Gestion.

Find 750M verified contacts

Search by job title, company, industry, location, and seniority. Export verified B2B contact data when you need it.