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Laura Plum

Laura Plum

Audit Manager & Project Manager


Experience

Laura joined Blazek & Vetterling in 2015. Her clients include schools, environmental organizations, private foundation and social service agencies.

In addition to audit she assists with operations including staff training, practice development and quality management systems.

Education

  • University of Houston | Clear Lake, BS Accounting

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Rosy Pereia

Rosy Pereira

Senior Audit Manager


Experience

Prior to joining Blazek & Vetterling, Rosy spent 20 years with KPMG, including 9 years in Brazil and 11 years in the United States, most recently as a Senior Audit Manager.

Rosy brings a practical and collaborative approach, working closely with clients and teams at every stage to ensure clarity, responsiveness, and high-quality results tailored to each organization's needs. She is an expert in U.S. GAAP and partners with executive leadership and boards to enhance financial reporting, strengthen internal controls, and improve governance and operational performance. She is recognized for developing high-performing teams and fostering a culture of discipline, curiosity, and integrity in the work they deliver. 

Rosy is fluent in English and Portuguese.

Education

Faculdade Flemming, BS, Accounting 2005

Certifications

Certified Public Accountant

Affiliations

  • Texas Society of Certified Public Accountants
  • Licensed in Brazil as a Certified Public Accountant

Community Service

  • Memorial Drive Presbyterian Church | Elder 
  • Brazilian Presbyterian Church | Children’s Ministry Director and Youth Leader

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Chris Cox

Chris Cox

Audit Manager


Experience

Chris joined Blazek & Vetterling in 2025.

He has over 15 years of experience working on audits of nonprofit organizations including foundations, private schools, universities, charities, trusts and religious organizations.

Chris prides himself in being a reliable point of contact between the audit team and client team, ensuring all communications are open and have purpose to get the audit completed in time per the client’s needs. His approach is grounded in technical precision and has a deep understanding of nonprofit accounting standards (including GAAP) and leads engagements to ensure transparency, accountability, and regulatory compliance.

Education

  • University of North Carolina at Greensboro, MS, Accounting
  • University of North Carlina at Chapel Hil, BA, Economics

Certifications

Certified Public Accountant

Affilications

American Institute of Certified Public Accountants

Community Service

Our Lady of Grace Catholic School Board | Finance Committee

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Samantha Sammour

Samantha Sammour

Audit Manager


Experience

Samantha has more than a decade of experience leading audit teams on complex engagements for private, public, governmental, and nonprofit clients across a wide range of industries.

She has extensive experience auditing organizations that receive state or federal funding and is well versed in the compliance and single audit requirements established by federal and state granting agencies.

Education

University of Houston, C.T. Bauer College of Business, BBA Accounting

Community Service

Fajr Scientific | Former Financial Advisory Committee Board Member

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Aashana Khatwani

Aashana Khatwani

Audit Manager


Experience

Aashna joined Blazek & Vetterling in 2025, bringing with her diverse experience in public accounting and auditing services. Her clients include governmental entities and nonprofit organizations, including social service agencies, foundations and schools.

She began her public accounting career at PricewaterhouseCoopers, serving in both Houston and Madrid, Spain offices. There, she focused on audits of for-profit entities, including several major oil and gas companies. Aashna later joined Carr, Riggs and Ingram, LLC where she spent over seven years, including three years as an audit manager. She specialized in financial statement audits, information technology general controls testing, federal and state single audits of governmental entities, including cities and school districts, community colleges, as well as nonprofit organizations.

Her additional areas of expertise include audits of proprietary schools and compliance attestation engagements of third-party servicers administering Title IV federal student aid programs. Aashna has also presented webinars on single audit topics and is well versed in compliance and audit requirements established by federal and state granting agencies.

Education

University of Texas at Brownsville, BBA, Accounting | Valedictorian

Certifications

Certified Public Accountant

Affiliations

  • American Institute of Certified Public Accountants
  • Texas Society of Certified Public Accountants

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