Meet the Rockstar CFOs

Our team

Todd Brumley

Todd Brumley

Todd brings more than 40 years of experience across commercial banking, executive leadership, capital markets, and CFO advisory services. He has served as CFO, President, Founder, Senior Debt Advisor, and Business Development Executive, providing a comprehensive perspective on financial strategy, operations, and capital formation.
 
Throughout his career, Todd has structured and closed financings including senior debt, growth capital, and recapitalizations. His experience spans acquisitions, business transitions, exit planning, and the financial and operational scaling required to support sustained growth. Earlier in his career, he managed middle-market loan portfolios of up to $75 million as a commercial banker, giving him firsthand insight into how lenders evaluate risk, cash flow, and management teams.
 
As an entrepreneur, Todd has built, scaled, and exited multiple businesses, allowing him to advise owners and CEOs from both the operator and lender perspectives. As Band Director of Rockstar CFO & Accounting Services, he provides firm-wide leadership that ensures consistent standards, disciplined execution, and practical, results-driven financial leadership.

David Byrnes

David Byrnes

David Byrnes is a seasoned, hands-on financial leader with more than 25 years of experience supporting construction, engineering, professional services, and project-based organizations. As a Rockstar CFO, David brings disciplined execution, deep operational insight, and calm leadership—anchoring financial performance so management teams can make better, more confident decisions.
 
David has served as CFO, Controller, Divisional Controller, and Director of Finance across general contractors, affordable housing developers, engineering firms, and FAR-regulated professional services organizations. His expertise spans job cost accounting, work-in-progress reporting, forecasting, cash flow management, overhead rate development, audit management, banking and bonding relationships, and complex revenue recognition under ASC 606.
 
Known for rolling up his sleeves when needed, David excels at building timely, accurate financial reporting, improving billing cycles, strengthening internal controls, and aligning project teams with financial accountability. His experience includes leading multi-entity environments, supervising accounting and payroll teams, implementing ERP and project accounting systems, and serving as a trusted advisor to owners, presidents, and executive leadership teams.
 
A Certified Public Accountant and lifelong mentor, David brings steady rhythm, clarity, and structure—providing the financial backbone every growing company needs to scale with confidence.

Brooks Ensign

Brooks Ensign

Brooks Ensign is a seasoned finance executive and controller with deep experience guiding life sciences and technology companies through IPO readiness, SEC reporting, complex GAAP accounting, and transformational growth events. As a Rockstar CFO, Brooks brings technical precision, capital markets expertise, and steady leadership, helping companies navigate high-stakes moments with confidence.
 
Brooks has served as CFO, Acting CFO, VP Controller, and senior finance leader for venture-backed, private equity–backed, and publicly traded companies, including Nasdaq-listed biotechnology and software organizations. His expertise spans IPO and SPAC readiness, S-1 and S-3 filings, PCAOB audits, SEC reporting, ASC 805 business combinations, equity compensation, revenue recognition, SOX implementation, and ERP and reporting system deployments.
 
Known for building finance functions from the ground up, Brooks has led multinational teams, implemented modern close and disclosure platforms, supported significant equity financings, and guided companies through acquisitions, integrations, and public market transitions. His background includes leadership roles in high-growth startups, large public enterprises, and successful exits, including a venture-backed AI company acquired by Intel.
 
With an MBA, advanced accounting training, and experience as both an executive and educator, Brooks brings confidence, discipline, and executional excellence to the Rockstar CFO ensemble, ensuring companies are stage-ready when the spotlight turns on.
  
David has served as CFO, Controller, Divisional Controller, and Director of Finance across general contractors, affordable housing developers, engineering firms, and FAR-regulated professional services organizations. His expertise spans job cost accounting, work-in-progress reporting, forecasting, cash flow management, overhead rate development, audit management, banking and bonding relationships, and complex revenue recognition under ASC 606.
 
Known for rolling up his sleeves when needed, David excels at building timely, accurate financial reporting, improving billing cycles, strengthening internal controls, and aligning project teams with financial accountability. His experience includes leading multi-entity environments, supervising accounting and payroll teams, implementing ERP and project accounting systems, and serving as a trusted advisor to owners, presidents, and executive leadership teams.
 
A Certified Public Accountant and lifelong mentor, David brings steady rhythm, clarity, and structure—providing the financial backbone every growing company needs to scale with confidence.

Kris Olsen

Kris Olsen

Kris Olsen is a seasoned finance executive and strategic fractional CFO with more than 25 years of hands-on experience helping CEOs and business owners gain visibility, control, and growth momentum. Kris excels in challenging environments where financial infrastructure, operational discipline, and clarity are needed most.
 
As the founder of Olsen Consulting, Kris has worked with a wide range of middle-market companies, startups, founder-led enterprises, and multi-entity businesses, providing interim CFO leadership, financial strategy, process improvement, and systems implementation. His expertise includes financial planning & analysis, forecasting, budgeting, internal controls, clean financial reporting, cash flow modeling, KPI development, and board-ready financial insight.
 
Earlier in his career, Kris held senior finance leadership roles including Director of Financial Planning & Analysis for a company as it went public, as well as finance and operational roles supporting growth, restructuring, and audit readiness. He is known for quickly identifying root causes in messy financial environments, instilling disciplined process, and helping leadership make better decisions with confidence.
 
With an MBA in International Business and Certified Management Accountant (CMA) credential, Kris blends technical financial skill with practical business sense, bringing structure, predictability, and strategic alignment to every engagement. 
Brooks has served as CFO, Acting CFO, VP Controller, and senior finance leader for venture-backed, private equity–backed, and publicly traded companies, including Nasdaq-listed biotechnology and software organizations. His expertise spans IPO and SPAC readiness, S-1 and S-3 filings, PCAOB audits, SEC reporting, ASC 805 business combinations, equity compensation, revenue recognition, SOX implementation, and ERP and reporting system deployments.
 
Known for building finance functions from the ground up, Brooks has led multinational teams, implemented modern close and disclosure platforms, supported significant equity financings, and guided companies through acquisitions, integrations, and public market transitions. His background includes leadership roles in high-growth startups, large public enterprises, and successful exits, including a venture-backed AI company acquired by Intel.
 
With an MBA, advanced accounting training, and experience as both an executive and educator, Brooks brings confidence, discipline, and executional excellence to the Rockstar CFO ensemble, ensuring companies are stage-ready when the spotlight turns on.
  
David has served as CFO, Controller, Divisional Controller, and Director of Finance across general contractors, affordable housing developers, engineering firms, and FAR-regulated professional services organizations. His expertise spans job cost accounting, work-in-progress reporting, forecasting, cash flow management, overhead rate development, audit management, banking and bonding relationships, and complex revenue recognition under ASC 606.
 
Known for rolling up his sleeves when needed, David excels at building timely, accurate financial reporting, improving billing cycles, strengthening internal controls, and aligning project teams with financial accountability. His experience includes leading multi-entity environments, supervising accounting and payroll teams, implementing ERP and project accounting systems, and serving as a trusted advisor to owners, presidents, and executive leadership teams.
 
A Certified Public Accountant and lifelong mentor, David brings steady rhythm, clarity, and structure—providing the financial backbone every growing company needs to scale with confidence.

Jeff Ritchey

Jeff Ritchey

Jeff Ritchey is a highly accomplished financial leader with more than 30 years of experience guiding high-growth technology, manufacturing, e-commerce, and consumer product companies through scale, transformation, and complex financial challenges. As a Rockstar CFO, Jeff brings clarity, rigor, and forward-focused financial leadership that enables executives to pursue growth with confidence.
 
Jeff has served as CFO, Senior Vice President of Finance, Controller, and Finance Director across family-owned businesses, private equity-backed companies, and publicly traded organizations. His expertise spans financial planning and analysis, detailed financial modeling, cost and pricing strategy, banking and cash management, audits and controls, ERP implementations, mergers and acquisitions, and international operations.
 
Known for translating complex financial data into actionable insight, Jeff has consistently improved profitability, accelerated cash flow, shortened close cycles, strengthened balance sheets, and built financial infrastructures that scale. His leadership includes SEC reporting and SOX compliance, acquisition integration, credit facility negotiations, and performance measurement systems that drive disciplined execution.
 
Jeff holds the Chartered Financial Analyst (CFA) designation and brings a steady, analytical presence to leadership teams, providing the structure, precision, and foresight that allow businesses to grow without losing control. 
Brooks has served as CFO, Acting CFO, VP Controller, and senior finance leader for venture-backed, private equity–backed, and publicly traded companies, including Nasdaq-listed biotechnology and software organizations. His expertise spans IPO and SPAC readiness, S-1 and S-3 filings, PCAOB audits, SEC reporting, ASC 805 business combinations, equity compensation, revenue recognition, SOX implementation, and ERP and reporting system deployments.
 
Known for building finance functions from the ground up, Brooks has led multinational teams, implemented modern close and disclosure platforms, supported significant equity financings, and guided companies through acquisitions, integrations, and public market transitions. His background includes leadership roles in high-growth startups, large public enterprises, and successful exits, including a venture-backed AI company acquired by Intel.
 
With an MBA, advanced accounting training, and experience as both an executive and educator, Brooks brings confidence, discipline, and executional excellence to the Rockstar CFO ensemble, ensuring companies are stage-ready when the spotlight turns on.
  
David has served as CFO, Controller, Divisional Controller, and Director of Finance across general contractors, affordable housing developers, engineering firms, and FAR-regulated professional services organizations. His expertise spans job cost accounting, work-in-progress reporting, forecasting, cash flow management, overhead rate development, audit management, banking and bonding relationships, and complex revenue recognition under ASC 606.
 
Known for rolling up his sleeves when needed, David excels at building timely, accurate financial reporting, improving billing cycles, strengthening internal controls, and aligning project teams with financial accountability. His experience includes leading multi-entity environments, supervising accounting and payroll teams, implementing ERP and project accounting systems, and serving as a trusted advisor to owners, presidents, and executive leadership teams.
 
A Certified Public Accountant and lifelong mentor, David brings steady rhythm, clarity, and structure—providing the financial backbone every growing company needs to scale with confidence.

Scott Wingate

Scott Wingate

Scott Wingate is a seasoned CFO, COO, and strategic advisor with more than 30 years of experience stabilizing, scaling, and transforming middle-market businesses. As a Rockstar CFO, Scott brings hands-on operational leadership, financial discipline, and systems-driven execution, bridging strategy and day-to-day performance.
 
Scott has led finance, operations, HR, and IT across manufacturing, distribution, logistics, and service-driven companies, including private equity–backed platforms, multi-location operators, and complex turnaround situations. His experience includes ERP implementations, KPI dashboards, cash flow and treasury strategy, GAAP compliance, lender and investor relationships, and both buy-side and sell-side M&A.
 
Known for stepping in when clarity and structure are needed most, Scott has repeatedly rebuilt financial infrastructure, restored banking confidence, improved margins, accelerated cash flow, and aligned organizations around measurable performance. He excels at creating operational rhythm, connecting people, processes, and systems so companies can scale without losing control.
 
With an MBA in Strategy and deep board-level experience, Scott brings tempo, versatility, and executional strength to the Rockstar CFO ensemble, ensuring the plan gets played, not just written. 
Brooks has served as CFO, Acting CFO, VP Controller, and senior finance leader for venture-backed, private equity–backed, and publicly traded companies, including Nasdaq-listed biotechnology and software organizations. His expertise spans IPO and SPAC readiness, S-1 and S-3 filings, PCAOB audits, SEC reporting, ASC 805 business combinations, equity compensation, revenue recognition, SOX implementation, and ERP and reporting system deployments.
 
Known for building finance functions from the ground up, Brooks has led multinational teams, implemented modern close and disclosure platforms, supported significant equity financings, and guided companies through acquisitions, integrations, and public market transitions. His background includes leadership roles in high-growth startups, large public enterprises, and successful exits, including a venture-backed AI company acquired by Intel.
 
With an MBA, advanced accounting training, and experience as both an executive and educator, Brooks brings confidence, discipline, and executional excellence to the Rockstar CFO ensemble, ensuring companies are stage-ready when the spotlight turns on.
  
David has served as CFO, Controller, Divisional Controller, and Director of Finance across general contractors, affordable housing developers, engineering firms, and FAR-regulated professional services organizations. His expertise spans job cost accounting, work-in-progress reporting, forecasting, cash flow management, overhead rate development, audit management, banking and bonding relationships, and complex revenue recognition under ASC 606.
 
Known for rolling up his sleeves when needed, David excels at building timely, accurate financial reporting, improving billing cycles, strengthening internal controls, and aligning project teams with financial accountability. His experience includes leading multi-entity environments, supervising accounting and payroll teams, implementing ERP and project accounting systems, and serving as a trusted advisor to owners, presidents, and executive leadership teams.
 
A Certified Public Accountant and lifelong mentor, David brings steady rhythm, clarity, and structure—providing the financial backbone every growing company needs to scale with confidence.

Depth of Rockstar CFO bench

Rockstar CFO is not a solo practice. Clients benefit from a deep bench of seasoned CFOs, each with 20–40+ years of experience, including former:

  • CFOs and COOs
  • Controllers and senior finance leaders
  • Executives from public companies (including NASDAQ-listed organizations)
  • Leaders from private equity–backed, venture-backed, and founder-led businesses

Our CFOs have led organizations through early growth, scale, turnaround, transaction, and exit.

Collective areas of expertise

Capital markets, IPO and SPAC readiness, SEC reporting, PCAOB audits, and SOX
Board, investor, lender, and audit committee leadership
M&A strategy, due diligence, integration, and post-transaction execution
Financial infrastructure build-out, ERP and systems implementations
FP&A, forecasting, budgeting, and advanced financial modeling
Cash flow management, credit facilities, and banking relationships
Cost accounting, pricing strategy, margin improvement, and profitability
Job cost accounting, WIP reporting, bonding, and project-based environments
Governance, internal controls, compliance, and audit readiness
KPI development, operational transformation, and performance management

Industry coverage

Technology and software
Life sciences and healthcare
Manufacturing and distribution
Construction, engineering, and project-based businesses
Consumer products and e-commerce
Media, entertainment, and IP-driven companies
Professional services and regulated environments

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