Women Who Lead: Unfiltered Conversations with Top Executives

Wassia Kamon, CPA, CMA, MBA, is the Chief Financial Officer of Access to Capital for Entrepreneurs (ACE), a leading Community Development Financial Institution based in Georgia. She brings more than 15 years of accounting and finance leadership experience across manufacturing, technology, pharmaceuticals, and the nonprofit sector. Through those experiences, she developed the concept of intentional resets to help high performers reset what they are saying yes to and move forward with a deeper sense of purpose and clarity. Named the 2025 CFO of the Year by the Atlanta Business Chronicle and a two-time CPA Practice Advisor 40 Under 40 honoree, Wassia is a sought-after keynote speaker, Guest Faculty for the Wharton Online FP&A Certificate Program, and the host of The Diary of a CFO podcast.

As the former Controller at OpenAI, Sowmya is an industry leader in applying software and AI to streamline finance and operational workflows. During her two years at OpenAI, she scaled the Controllership function to support the launch of ChatGPT subscriptions and Enterprise sales, accurately reporting on multi-billion-dollar revenues and supporting a platform of over 500 million weekly active users. Prior to OpenAI, she was the first accounting hire and Controller at Rippling, leading the Accounting team through a period of extraordinary growth from a Series A startup into a decacorn valued at over $10 billion. More recently, she founded Lumera, providing advisory services to help companies build high-performing finance teams by leveraging the power of AI.

Rebeca Sanchez Sarmiento is an Operating Partner at Sixth Street Growth, where she works closely with portfolio company finance leaders to foster cross-collaboration and knowledge sharing, align strategic planning with value creation, scale teams, systems, and processes, and support exit readiness. Before joining Sixth Street, Rebeca served as Chief Financial Officer at three high-growth, PE-backed companies: Attom Data, a provider of real estate Data-as-a-Service solutions; InvestCloud, an international fintech known for its SaaS wealth management platform; and most recently, Dotmatics, a global leader in life science R&D software. Prior to those roles, she worked at Smart & Final as the head of FP&A and investor relations following a successful career as a sell-side equity research analyst at Citi and Deutsche Bank. She holds an MBA from the University of Chicago Booth School of Business and a BS from the NYU Stern School of Business.

Sarah Sieman leads the Outsourced Accounting Solutions (OAS) Business Transformation team at CBIZ, where she focuses on helping organizations modernize finance operations through technology, operating model design and leadership development. A CPA with over 20 years of experience, Sarah’s career spans Big 4 public accounting, corporate FP&A at a Fortune 500 company, and serving as CFO of a not-for-profit organization. Her career path reflects a series of intentional pivots across industries and roles, giving her a unique perspective on leadership, growth, and building influence outside of traditional linear trajectories. Sarah is passionate about supporting women as they navigate career progression, leadership transitions, and the evolving expectations placed on finance leaders. She brings a practical, candid lens to conversations about ambition, impact, and designing a career that actually works. She lives in the mountains in Colorado with her husband Mike and dog Chloe.

Shadi leads the channel marketing strategy for accounting partners at Ramp, where she focuses on activating and growing partner relationships. Before joining Ramp, she led B2B partnerships and product marketing at a healthcare tech startup and multiple marketing agencies. She’s passionate about storytelling and strategic growth, with a strong background in lead generation and partnership development. Outside of work, she loves unwinding with a good book and spending time with her husband and baby boy.