Ellen Osullivan

Q: What is Ellen O'sullivan email address?

Email Ellen O'sullivan at costaellen@gmail.com. This email is the most updated Ellen O'sullivan's email found in 2026.

Q: How to contact Ellen O'sullivan?

To contact Ellen O'sullivan send an email to costaellen@gmail.com. If you want to call Ellen O'sullivan try calling on +442076011080. (updated on May 02, 2025)

Chief Member at Chief | Mercer Island, Washington, United States

About Ellen Osullivan

Ellen O'Sullivan, as the Chief Member and Executive Director, plays a pivotal role in shaping the strategic direction and operational excellence of Chief, a dynamic private membership network dedicated to empowering women executives. With over two decades of leadership experience, Ellen leverages her expertise in governance, strategic planning, and change management to foster a vibrant community of high-impact leaders. Her current role involves spearheading initiatives that enhance member engagement, facilitate impactful mentorship programs, and drive international business development efforts. Ellen’s deep understanding of financial statements, budgeting, and stakeholder engagement ensures that Chief’s programs are not only innovative but also sustainable and aligned with the organization’s mission to amplify women’s influence in the corporate landscape.

Key projects under her leadership include the modernization of governance frameworks across global member firms, promoting data-driven decision-making to optimize operational efficiency, and expanding Chief’s reach into new markets through strategic partnerships. Her proficiency in accounting and financial management supports the organization’s growth initiatives, ensuring transparency and accountability. Ellen’s expertise in board governance and her ability to navigate complex stakeholder environments have been instrumental in recruiting top-performing member firms and fostering a culture of collaboration and empowerment. Her commitment to leveraging her skills in international business development and stakeholder engagement continues to position Chief as a leading network for women executives seeking to elevate their impact through mentorship, peer learning, and strategic alliances.

Ellen Osullivan Work

Chief Member at Chief in October 2023 to Present

Executive Director at Moore North America in March 2022 to May 2025

President at Emmanuel Day School in September 2021 to August 2022

Ellen Osullivan Education

Bentley University, Bachelor of Science, August 2026

Ellen Osullivan Skills

Project Management

Data-driven Decision Making

Board Governance

About Ellen Osullivan's Current Company

Chief

Discover more about Chief

Frequently Asked Questions about Ellen Osullivan

What is Ellen O'sullivan email address?

Email Ellen O'sullivan at [email protected]. This email is the most updated Ellen O'sullivan's email found in 2026.

What is Ellen O'sullivan phone number?

Ellen O'sullivan phone number is +442076011080.

How to contact Ellen O'sullivan?

To contact Ellen O'sullivan send an email to [email protected]. If you want to call Ellen O'sullivan try calling on +442076011080. (updated on May 02, 2025)

What company does Ellen Osullivan work for?

Ellen Osullivan works for Chief

What is Ellen Osullivan's role at Chief?

Ellen Osullivan is Chief Member

What industry does Ellen Osullivan work in?

Ellen Osullivan works in the Accounting industry.