Abbie Diamantopoulos is a highly accomplished and results-driven finance professional with over 16 years of experience spanning strategic leadership, business development, and financial management. Currently serving as Managing Director, Head of Sales Enablement, and Chief of Staff to the CEO at E78 Partners, Abbie plays a key role in driving strategy and operational synergy across the firm’s 450+ employees following 14 acquisitions. She oversees cross-functional teams, aligning operations with E78’s mission to accelerate value creation, reduce risk, and enhance performance for middle-market finance, technology, and private equity leaders.
Throughout her career, Abbie has demonstrated exceptional leadership and business acumen, spearheading key initiatives that have resulted in significant business growth and client success. She utilizes her strong analytical and communication skills to drive organic growth and foster long-term partnerships. At E78, Abbie strengthened relationships with the Board of Directors, investors, and clients, contributing to a 55% client renewal rate and enhancing client satisfaction. She is known for her strategic planning, innovative problem-solving, and ability to prepare executive leadership for critical engagements.
Prior to joining E78, Abbie held various leadership roles at Hofseth North America, where she served as Vice President of Strategic Partnerships and Organizational Development. She was an experienced startup leader who played a pivotal role as the second employee at Hofseth, where she built out every department from the ground up. She successfully launched a new brand for the CPG company, led the organization towards achieving B Corp certification, and developed business models that secured consistent growth year over year. Her extensive expertise in driving startup success and scaling businesses makes her a valuable asset to any entrepreneurial venture. Her leadership in sales strategy, financial analysis, and customer success was instrumental in driving revenue growth and securing long-term partnerships with major clients. Earlier in her career, she held financial roles at MillerCoors, NISA Investment Advisors, and Boeing, where she honed her expertise in financial reporting, variance analysis, and contract management.
Abbie holds a Master of Business Administration (MBA) and a Bachelor of Science in Finance from Lindenwood University, graduating with honors. She also completed a Leadership Certificate from Northwestern University in 2021. Based in Chicago, Illinois, she is passionate about helping organizations achieve their goals through strategic leadership and effective collaboration.
Abbie’s expertise in financial management, strategic partnerships, and organizational development has positioned her as a trusted leader in her field, and she remains dedicated to fostering growth and delivering value to clients and stakeholders alike.
Character:
Abbie Diamantopoulos exemplifies integrity and professionalism, consistently maintaining high ethical standards while driving business growth and fostering long-term partnerships. Her commitment to upholding privacy and confidentiality, coupled with her proactive approach, establishes her as a trusted and reliable leader in her field.
Knowledge:
With over 16 years of experience across finance, business development, and operations, Abbie brings deep expertise in strategic planning, financial analysis, and sales enablement. She has successfully led cross-functional teams and developed innovative models that enhance both client satisfaction and organizational effectiveness.
Strategic:
Abbie is a forward-thinking executive with a strong ability to align business operations with strategic objectives, driving significant growth and performance improvements. She has effectively increased client retention and created opportunities for business expansion by developing comprehensive roadmaps and leveraging data-driven insights.
Communication:
A skilled communicator, Abbie has consistently demonstrated her ability to collaborate with executive leadership, clients, and stakeholders to drive results. She excels in presenting complex financial information clearly, enhancing decision-making processes, and fostering transparent, effective communication across all levels of an organization.
