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Sean Hennessy Email & Phone Number

Cloud Practice Lead at Atos
Location: Chicago, Illinois, United States 10 work roles 1 school
1 work email found @cloudreach.com 4 phones found area 708, 630, 502, and 207 LinkedIn matched
✓ Verified July 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 4 phones

Work email s****@cloudreach.com
Direct phone (708) ***-****
LinkedIn Profile matched
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Current company
Role
Cloud Practice Lead
Location
Chicago, Illinois, United States
Company size

Who is Sean Hennessy? Overview

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Quick answer

Sean Hennessy is listed as Cloud Practice Lead at Atos, a with 85668 employees, based in Chicago, Illinois, United States. AeroLeads shows a work email signal at cloudreach.com, phone signal with area code 708, 630, 502, 207, and a matched LinkedIn profile for Sean Hennessy.

Sean Hennessy previously worked as Practice Lead - PMO at Eviden and General Manager - North America at Cloudreach, An Atos Company. Sean Hennessy holds Bachelor Of Science - Bs, Industrial Engineering from University Of Wisconsin-Madison.

Company email context

Email format at Atos

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{first}.{last}@cloudreach.com
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AeroLeads found 1 current-domain work email signal for Sean Hennessy. Compare company email patterns before reaching out.

Profile bio

About Sean Hennessy

With over 17 years of experience, I've successfully built, led and scaled several project management offices (PMOs). By implementing robust project management methodologies and fostering a culture of continuous improvement, I've optimized team efficiency, reduced costs, and increased revenue. I'm passionate about mentoring high-performing teams and building team cultures that improve employee engagement and retention.

Listed skills include Six Sigma, Process Improvement, Change Management, Business Process Re Engineering, and 18 others.

Current workplace

Sean Hennessy's current company

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Atos
Atos
Cloud Practice Lead
Chicago, IL, US
Website
Employees
85668
AeroLeads page
10 roles

Sean Hennessy work experience

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

Cloud Practice Lead

Chicago, Il, Us

Practice Lead - Pmo

Current

Bezons, France, Fr

Leading North America region’s project management practice.

Jul 2023 - Present

General Manager - North America

London, Gb

‣ Oversaw a 120+ person public cloud technology consulting organization, including Human Resources (HR), Legal, Operations, Sales, and the Delivery and Project Management Office; serve as part of the senior leadership team with the CEO, CFO, COO, and Global Regional Leads.‣ Managed a team of direct reports, conducting account reviews, weekly forecast meetings, and coaching to enable and support the sellers and delivery teams.‣ Spearheaded the region’s integration with 5 entities to create a new North American organization, Eviden Cloud, increasing organizational size 10x to 1.3k+ people.

Jan 2023 - Jan 2024

Head Of Delivery - North America

London, Gb

‣ Head the Project Management team in North America, driving successful consulting engagement delivery.‣ Consult sellers on contract terms, approve delivery efforts, assign projects, and serve as the escalation point for all project issues.‣ Generated $5.5M in quarterly revenue, maintained a ~40% margin, and surpassed a 80% utilization goal through accurate engagement forecasts, scope creep management, and a targeted reduction of non-billable time. ‣ Serve as an executive project sponsor for $20M in active projects across 66 active engagements.‣ Drive stakeholder engagement and customer relationship management through kickoffs, status calls, and steering committee meetings with CEOs and CIOs.‣ Increased employee engagement score to 86% between 2020 and 2022 through improved team operations, clear role and workflow definition, and support to remove project impediments.‣ Improved customer satisfaction (CSAT) scores by 38% between 2020 and 2022 and achieved a net promoter score of 9.4 out of 10 through improved delivery.

Jan 2020 - Jan 2023

Cloud Enablement Leader

London, Gb

‣ Led a remote team of 12 experienced consultants.‣ Fostered employee engagement through transparent communication, coaching, performance reviews, social events, and professional development.‣ Overhauled processes and enabled proactive issue resolution by engaging steering committees.‣ Achieved a 100% on all internal quality audits by ensuring adherence to all internal governance processes.

Feb 2019 - Jan 2020

Cloud Engagement Manager Leader

London, Gb

‣ Managed cloud strategy, assessment, and migration projects with large enterprise clients.‣ Led a team of project managers, ensuring goal tracking, coaching, and professional growth.

Mar 2018 - Feb 2019

Vp Strategic Partnerships & Organizational Excellence

Chicago, Illinois, Us

‣ Cultivated business relationships and strategic partnerships with nonprofit organizations to develop a database of charities for corporate employee engagement programs.‣ Charted the startup enterprise’s technology platform strategy; implemented Agile and Kanban methodologies for planned releases, developed metrics to track the software development lifecycle (SDLC), and hosted retrospectives.‣ Conducted competitive research to inform forecasting, develop the go-to-market strategy, and establish pricing for the inaugural paid membership options.‣ Secured the first paying customer, helping to boost their employee engagement and build community.‣ Drove customer success and retention by leading customer onboarding and facilitating consistent check-ins to answer questions and resolve issues.‣ Increased platform engagement by executing social events to encourage community engagement and secure donations.

Apr 2017 - Mar 2018

Cloud Engagement Management Leader

London, Gb

‣ Managed cloud assessment and migrations projects with teams of 5 - 10 for clients such as Getty Images and BP.‣ Oversaw 4 direct reports, providing coaching and tracking goals and professional growth.

Mar 2016 - Apr 2017

Senior Project Manager

Alpharetta, Georgia, Us

‣ Managed a 4-person team, including a Data Scientist, a Business Analyst, and 2 Project Managers.‣ Oversaw 5 concurrent large-scale consulting engagements at a time with combined budgets of $7M+ while ensuring customer satisfaction.‣ Conducted requirement-gathering sessions to establish project scope, schedule, budget, and resource requirements.‣ Served as the product owner of an application to detect unemployment claim fraud based on algorithms.‣ Developed a minimum viable product (MVP) and collaborated with technical teams to iterate and scale the product to meet future market demands.‣ Spearheaded project delivery approach, instituting metrics and product quality reviews to drive continuous improvement efforts.‣ Oversaw status reporting, tracked earned value metrics, and established an executive steering committee process.‣ Won the “Best Data Analytics / Business Intelligence Project” award from the Center for Digital Government for leading a team of 35+ internal and external stakeholders in a $2M project that identified and stopped $200M in unemployment fraud.

Jun 2009 - Feb 2016

Operations Management Leadership Program

Boston, Ma, Us

‣ Completed 4, 6-month operational rotations in Manufacturing, Lean/Six Sigma, Sourcing, and Service/Maintenance‣ Participated in ongoing professional and leadership development training on negotiating, finance, Lean methodology, and more.‣ Reduced production-line costs by 89% by leading a 12-person team through value stream mapping as part of a Lean redesign project, transforming production floor layout and workflows.‣ Built a dashboard to support production and buyers by tracking the lead time, age, and issues with 500+ new parts as part of a $70M order.‣ Oversaw a team of 20 union employees to meet production goals during union collective bargaining agreement (CBA) negotiations.

Feb 2007 - Mar 2009
Team & coworkers

Colleagues at Atos

Other employees you can reach at atos.net. View company contacts for 85668 employees →

1 education record

Sean Hennessy education

  • University Of Wisconsin-Madison
    University Of Wisconsin-Madison
    Industrial Engineering
FAQ

Frequently asked questions about Sean Hennessy

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

What company does Sean Hennessy work for?

Sean Hennessy works for Atos.

What is Sean Hennessy's role at Atos?

Sean Hennessy is listed as Cloud Practice Lead at Atos.

What is Sean Hennessy's email address?

AeroLeads has found 1 work email signal at @cloudreach.com for Sean Hennessy at Atos.

What is Sean Hennessy's phone number?

AeroLeads has found 4 phone signal(s) with area code 708, 630, 502, 207 for Sean Hennessy at Atos.

Where is Sean Hennessy based?

Sean Hennessy is based in Chicago, Illinois, United States while working with Atos.

What companies has Sean Hennessy worked for?

Sean Hennessy has worked for Atos, Eviden, Cloudreach, An Atos Company, Great Hearts Initiatives, and Cloudreach.

Who are Sean Hennessy's colleagues at Atos?

Sean Hennessy's colleagues at Atos include Nara Gasanova, Aleyna Savaş Yüksel, Ignacio Moya Manzanares, Jeferson Uriel Velandia Niño, and Megha Mahalgawe.

How can I contact Sean Hennessy?

You can use AeroLeads to view verified contact signals for Sean Hennessy at Atos, including work email, phone, and LinkedIn data when available.

What schools did Sean Hennessy attend?

Sean Hennessy holds Bachelor Of Science - Bs, Industrial Engineering from University Of Wisconsin-Madison.

What skills is Sean Hennessy known for?

Sean Hennessy is listed with skills including Six Sigma, Process Improvement, Change Management, Business Process Re Engineering, Visio, Software Project Management, Sdlc, and Project Management.

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