Mark DiSiena is a seasoned CFO, strategic advisor, and enterprise systems expert with more than 25 years of experience delivering transformational impact across public and private companies. He has led finance, operations, and capital strategy for NYSE- and NASDAQ-listed organizations, venture-backed startups, SaaS and healthcare innovators, luxury retail brands, and global consumer companies. Recognized for his pragmatic leadership and technical mastery in GAAP, SEC compliance, and ERP optimization, Mark consistently accelerates value creation while stabilizing high-pressure environments. His unique combination of CPA, attorney, and MBA expertise enables him to operate at the intersection of finance, law, operations, and technology with precision and clarity.

As a Managing Director at Everest Advisors, Mark partners with boards, founders, and executive teams to strengthen financial operations, modernize reporting, drive liquidity, and prepare organizations for key inflection points—from restructuring and cash-flow stabilization to transaction readiness and accelerated growth. His work spans fractional CFO engagements, KPI development, SOX compliance, credit and capital strategy, and end-to-end financial governance.

Mark has been consistently selected to lead companies through high-stakes transitions, including IPOs, SPACs, reverse takeovers, and major capital raises. He has served as full-time CFO for Cherokee Global Brands (CHKE), Decentralized Life (WDLF), EagleNXT (UAVS), and Wellgistics (WGRX), overseeing SEC reporting, investor relations, cross-border operations, compensation planning, and large-scale operational reengineering.

A recognized authority in enterprise systems transformation, Mark has led more than 90 ERP implementations across NetSuite, Oracle, MS Dynamics, and Sage Intacct—compressing reporting cycles, enhancing transparency, and building audit-ready financial infrastructures capable of supporting rapid scaling and public-company scrutiny.

Mark holds a B.S. in Accounting from NYU Stern, a J.D. in Securities & Taxation from Vanderbilt University, and an MBA in Strategy & Finance from Stanford Graduate School of Business. His expertise in financial governance, capital strategy, operational optimization, and enterprise systems modernization empowers companies to achieve sustainable, scalable, and investor-ready outcomes.