Grahall Expert

Our Expert Witness Team

Our Team

Independent Compensation Expertise, Matched to the Matter

Review the experience behind the analysis

Explore our team’s compensation, benefits, actuarial, analytical and organizational experience. Follow each professional biography for more background. Before retention, request a current CV and confirm the proposed expert’s conflicts, availability and fit for your matter.

For the initial inquiry, provide party names, the general matter type and relevant deadlines. Please do not send confidential facts or documents before conflicts are cleared.

Independent CPA Firm Support · Find a Tax Attorney

Robert D Birdsell

Robert D Birdsell

Litigation Opinion Experts · Expert Witness Team

Executive benefits and nonqualified deferred compensation, including benefit-liability funding and executive attraction and retention arrangements.

Read Robert D Birdsell’s professional biography

William M. Byrnes

William M. Byrnes

Litigation Opinion Experts · Expert Witness Team

Executive search and people strategy, with prior operating and human resources leadership roles at Fidelity, ICMA Retirement Corporation and other financial services organizations.

Read William M. Byrnes’s professional biography

John Tropeano

John Tropeano

Expert Witness Team

Total rewards strategy for executives, independent directors and employees. Previously Vice President of Total Rewards at Bunge and Unilever United States.

Read John Tropeano’s professional biography

Christopher K. Young

Christopher K. Young

Litigation Opinion Experts · Expert Witness Team

Executive remuneration and benefits advice to boards and management, including equity, deferred compensation, governance and financing considerations.

Read Christopher K. Young’s professional biography

Jay Wolf

Jay Wolf

Litigation Opinion Experts · Expert Witness Team

Leadership development, performance assessment and executive coaching, with prior experience in the Hay Group Executive Services Practice.

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R. Garrett Rogers

R. Garrett Rogers

Litigation Opinion Experts · Expert Witness Team

Executive compensation, incentive plans and employment, change-in-control, severance and retention arrangements. Previous compensation consulting experience at Pearl Meyer & Partners.

Read R. Garrett Rogers’s professional biography

Zachary Riyaz

Zachary Riyaz

Litigation Opinion Experts · Expert Witness Team

Employment compensation and executive employment arrangements. Read the professional biography for background and experience.

Read Zachary Riyaz’s professional biography

Ali Riyaz

Ali Riyaz

Litigation Opinion Experts · Expert Witness Team

Executive compensation, market pricing and total rewards strategy, with compensation experience at Saudi Aramco, JetBlue Airways and Cablevision.

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Howard Risher

Howard Risher

Litigation Opinion Experts · Expert Witness Team

Compensation and human resources advice with experience in government, healthcare and nonprofit organizations, including previous consulting leadership at Wyatt and Mercer.

Read Howard Risher’s professional biography

Charles Patton

Charles Patton

Litigation Opinion Experts · Expert Witness Team

Executive and equity compensation, incentive and retention programs, and employment arrangements. Prior corporate compensation and benefits leadership across multiple industries.

Read Charles Patton’s professional biography

Alan A. Nadel

Alan A. Nadel

Litigation Opinion Experts · Expert Witness Team

Executive and board compensation, employee benefits, severance and change-in-control arrangements. His professional biography describes expert testimony experience in civil and criminal matters.

Read Alan A. Nadel’s professional biography

Angelo Kostopoulos

Angelo Kostopoulos

Litigation Opinion Experts · Expert Witness Team

Compensation and benefits surveys, statistical databases and data analytics. Founder of AKRON and leader of its compensation, benefits and management survey practice.

Read Angelo Kostopoulos’s professional biography

Elizabeth Hall

Elizabeth Hall

Litigation Opinion Experts · Expert Witness Team

Economic analysis and impact modeling for executive and employee rewards, including equity compensation and short- and long-term incentives.

Read Elizabeth Hall’s professional biography

Michael Dennis Graham

Michael Dennis Graham

Litigation Opinion Experts · Expert Witness Team

Board governance, executive compensation and total rewards strategy. His consulting background includes Pearl Meyer & Partners, Hay Group, Towers Perrin and Watson Wyatt.

Read Michael Dennis Graham’s professional biography

Robert Cirkiel

Robert Cirkiel

Litigation Opinion Experts · Expert Witness Team

Actuarial analysis, employee and executive benefits, valuation, operational audits and controls. Previous actuarial leadership roles at UHY Advisors and Hay Group.

Read Robert Cirkiel’s professional biography

Arlene Brewster

Arlene Brewster

Litigation Opinion Experts · Expert Witness Team

Organizational culture, executive interviews, position analysis and person-position matching across people strategy assignments.

Read Arlene Brewster’s professional biography

Independent CPA Firm Support

Rizvi & Rizvi CPAs is an independent CPA firm supporting our clients.

Hasnain (Has) Rizvi, CPA

Hasnain (Has) Rizvi, CPA

Rizvi & Rizvi CPAs · Independent CPA Firm

Has specializes in tax and accounting matters for California-based business owners of S corporations.

Has is a California-licensed CPA with a Big Four accounting background, including prior experience at PricewaterhouseCoopers LLP (PwC). He holds a master’s degree in Accounting from the University of Southern California (USC) and a bachelor’s degree in Accounting and Business Administration from Cal State Fullerton.

In his free time, Has enjoys cheering on USC football and the LA Lakers, staying active and exercising.

Meet Has at Rizvi & Rizvi CPAs

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Start with conflicts and fit

Tell us the parties involved, the compensation question in general terms and any deadlines. We will review conflicts and discuss the appropriate expert role and scope before an engagement is agreed. Our conclusions follow the evidence; retention does not determine the opinion.

Ready to Discuss Your Matter? Contact Us Today.

603-205-5033

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