Clearlake-Backed Confluence Technologies Appoints FinTech Veteran Spiros Giannaros as Chief Executive Officer

Mark Evans makes planned transition to Executive Chairman

PITTSBURGH, Sept. 4, 2025 /PRNewswire/ -- Confluence Technologies, Inc. ("Confluence" or the "Company"), a global technology leader in enterprise data, software, and AI-driven solutions for regulatory, analytics, and investor communications in the investment management industry, today announced the appointment of Spiros Giannaros as Chief Executive Officer, effective immediately. Founder and CEO, Mark Evans will transition to Executive Chairman and continue working closely with the leadership team on corporate strategy and growth initiatives. Confluence is backed by Clearlake Capital Group, L.P. (together with its affiliates, "Clearlake").

Mr. Giannaros brings more than 25 years of leadership experience across the software and FinTech space. Prior to joining Confluence, he served as Executive Vice President at State Street Corporation, most recently as CEO of its Charles River Development company and head of the State Street Alpha Platform. Prior to joining State Street, Mr. Giannaros was a Partner at IHS Markit serving as global head of Enterprise Data Management (EDM) and thinkFolio and spent 15 years in leadership positions at Charles River Development spanning sales, account management, and product marketing. 

"We are thrilled to welcome Spiros as CEO and congratulate Mark on his transition to Executive Chairman," said James Pade, Partner and Managing Director, and Sean Courtney, Principal, at Clearlake. "Spiros has a track record of driving growth, product innovation, and client success at scale. We believe his deep FinTech expertise will accelerate Confluence's momentum in AI-driven solutions to meet the growing reporting demands for the investment management industry."

"For the past 30 years, Mark and his team have built Confluence into a leading global technology solutions provider to the investment management industry, and I am incredibly excited to join a firm with such a great brand of service quality and customer centricity," said Mr. Giannaros. "This is an especially exciting time to join Confluence, as the rapid growth of AI, alternative asset management, and private funds is creating new demands for data, analytics, and regulatory solutions across the industry. I look forward to working alongside the Confluence team and Clearlake to build on this strong foundation to deliver innovative technology solutions to our clients and execute our strategic growth plan to build a differentiated platform."

Mr. Evans founded Confluence in 1991 with a vision to revolutionize the asset management industry through technology, innovation, and data management automation. Under his leadership, Confluence established itself as a global leader in enterprise data and software for regulatory reporting, analytics, and investor communications. For more than 30 years, the Company has supported the world's largest asset managers, service providers, and owners with solutions that streamline critical reporting and deliver actionable insights with greater speed and accuracy.

"I'm delighted to welcome Spiros," said Mr. Evans. "He embodies Confluence's commitment to focus on clients, staff, and market success. His experience and character align with our company pledge: 'Expect It.' "

About Confluence

Confluence is a global leader in enterprise data and software solutions for regulatory, analytics, and investor communications. Our best-of-breed solutions make it easy and fast to create, share, and operationalize mission-critical reporting and actionable insights essential to the investment management industry. Trusted for over 30 years by the largest asset service providers, asset managers, asset owners, and investment consultants worldwide, our global team of regulatory and analytics experts delivers forward-looking innovations and market-leading solutions, adding efficiency, speed, and accuracy to everything we do. Headquartered in Pittsburgh, PA, with over 700 employees across North America, the United Kingdom, Europe, South Africa, and Australia, Confluence services over 1,000 clients in more than 40 countries. For more information, visit confluence.com

About Clearlake

Clearlake Capital Group is a global investment firm managing integrated platforms spanning private equity, liquid and private credit, and other related strategies.  Founded in 2006, the firm has more than $90 billion of assets under management and has led or co-led over 400 investments globally.  With deep knowledge and operational expertise across the technology, industrials, and consumer sectors, Clearlake seeks to partner with experienced management teams, providing patient, long-term capital and aiming to drive value through its active hands-on operating approach, O.P.S.® (Operations, People, Strategy). Headquartered in Santa Monica, Clearlake maintains a global footprint with offices in Dallas, New York, London, Dublin, Luxembourg, Abu Dhabi, and Singapore.  For more information, please visit clearlake.com or follow us on LinkedIn.

Confluence Media Contact:
Elia Levitin
[email protected]
917-456-6351

Clearlake Media Contact:
Tasha Pelio
[email protected]
917-880-7675

SOURCE Confluence Technologies