Our Team

Specialty: Government & Nonprofit Audits | 20+ Years Experience

Pierre-Louis brings decades of audit experience in the nonprofit and public sectors. He leads the firm’s audit and assurance engagements with a focus on compliance, transparency, and stakeholder trust. Mr. Pierre-Louis holds a license as a certified public accountant from the State of New York. He earned a bachelor’s degree in accounting from SUNY Old Westbury in 2010 and a Business Administration Degree from the University of Quebec Montreal, Canada, in 2005.

With a robust background spanning over two decades, Mr. Pierre-Louis oversees an active practice that includes audit, tax and assurance services. Mr. Pierre-Louis has extensive experience providing tax and accounting services to corporations, not for profits, and estates and trusts. His professional portfolio includes serving as a former tax advisor to the Stony Brook University Graduate Student Government (GSO).

Further, his commitment to community service includes serving as Treasurer on the Board of Directors for Not-for-Profit Organizations. Mr. Pierre-Louis brings a wealth of financial acumen and strategic insight to the organization’s leadership by taking an active role in fundraising for community events and supporting initiatives that enhance the well-being of local communities.

Mr. Pierre-Louis has a dynamic professional approach that seamlessly integrates financial proficiency with community leadership, promoting values of environmental sustainability and governance. His commitment ensures that PLA CPA makes a meaningful contribution to both corporate success and community well-being.

Specialty: Internal Controls & NGO Governance Risk Management | 30+ Years Experience

“Guerdy advises clients on strengthening internal processes, reducing fraud risk, and enhancing operational efficiency.”

Guerdy Leandre performs assurance engagements for Institutional Donors, mainly European Union (EU) and United Nations (UN). He was a team Leader for a series of Microassessments for UNICEF and UNFPA. He manages a team of multidisciplinary experts to conduct integrated management consulting assignments and independent external audits
activities of the firm.

He coordinates business relationships with institutions ranging from corporate business entities, government agencies, international and non-for-profit organizations. He conducted
an International Audit mission for the United Nations (UN), European Union (EU), and UNICEF in Latin-America, West Indies, and the Caribbean.

Guerdy Leandre holds a Bachelor Degree in Management and Accounting from The Institut National de Gestion et des Hautes Etudes Internationales-INAGHEI, Haiti. He is a member of The Institute of Internal Auditors (IIA), and Ordres des Comptables Professionnels Agréés d’Haiti (OCPAH).

Specialty: Internal Controls & Compliance | 20+ Years Experience

“Jeune advises clients on enhancing operational efficiency, reducing fraud risk” Jean Mary D. Jeune has two decades of Audit and Tax experience. He is a certified public accountant licensed by the State of New York. Mr. Jeune obtained a Bachelor of Business Administration in Accounting and a minor in industrial psychology from Baruch College, City University of New York, July 2005.

Prior to joining our firm, Jean Mary was a former Auditor at PWC, leading numerous audit engagements of Hedge funds, Private equity, and Mutual funds. He also held various accounting position in the manufacturing industries and other service companies. He is a member of the American Institute of Certified Public Accountants (AICPA) New York State Society of Certified Public Accountants (NYSSCPA).

Specialty: Tax Resolution & Litigation Support

“Ms. Desdunes represents clients in complex IRS disputes, providing expert support in audits, settlements, and court cases.”

Ms. Desdunes built a career as a litigation and transactional attorney, garnering over twenty years of experience in corporate compliance, regulatory matters, and the development of policies and procedures. She is admitted to practice in New York State and before the bars of the United States District Court of the Eastern District of New York, as well as the United States Tax Court. She holds a certification as an Enrolled Agent by the Internal Revenue Service.

In her current role as the Tax Partner in PLA CPA, Ms. Desdunes is responsible for the day today operations of the tax department, offering strategic advisory services to both businesses and individuals, and plays a pivotal role in growth planning for the Firm. Beyond her focus on tax litigation, her practice includes real estate law and estate planning. Ms. Desdunes also serves as Legal Counsel to Pierre-Louis & Associates CPA, PC.

Previously, Ms. Desdunes worked with the New York State Assembly, where she served as the Chief of Staff for a local Assembly Member, collaborated with state and local governments to provide guidance on matters such as foreclosure, immigration, employment law, and zoning.

As an active member in the community, Ms. Desdunes currently serves as Chairperson of the Board of Directors for a non-profit organization dedicated to providing services to the Nassau and Long Island areas. She previously served on the Board of Directors of a private Sickle Cell Foundation, where her efforts were concentrated on raising awareness about sickle cell disease, securing research funding, and participating in fundraising initiatives for scholarship funds benefiting college students with sickle cell disease. Ms. Desdunes is an active member of Theta Iota Omega Chapter, Alpha Kappa Alpha Sorority, Inc. She has been a member of the organization for more than three decades.

Ms. Desdunes is an alumna of St. John’s University, holding a B.A., and the Jacob D. Fuchsberg Law Center, where she earned her J.D.

Senior Auditor

David L. Grant received his BBA in accounting from Baruch College, City University of New York in 2005. He is an experienced Claims Auditor adept in advising Board of Education members and school districts regarding Board Purchasing Policies in full compliance with the Generally Accepted Auditing Standards and US GAO Governmental Auditing Standards.

Mr. Grant’s auditing experience also includes assessing internal controls of an organization, performing internal audits, and approving disbursements in conformity with established policies. Also, he has performed certified audits on various SEC commercial engagements.

Tax Compliance

Mardochee Destin is a dedicated and forward-thinking professional who has been an integral part of our firm since 2020. He is currently pursuing a bachelor’s degree in science with a focus on accounting at the State University of New York Old Westbury, Mardochee is driven by a passion for financial expertise and a commitment to excellence in his field.

With a keen interest in tax regulations and financial intricacies, Mardochee has found his niche in our firm’s tax department. His analytical skills and attention to detail have made him an asset in navigating the complexities of tax-related matters. Mardochee’s ability to grasp and interpret intricate tax codes showcases his commitment to staying abreast of the latest industry developments.

Staff Accountant

Guan Chen is an accountant with a strong foundation in both accounting and finance. He holds a Master’s degree in Enterprise Risk Management from Columbia University, where he specialized in risk analysis, value analysis, and control implementation, with a focus on frameworks such as COSO and Value-Based Frameworks.

He also earned an undergraduate degree from Seattle University, where he double majored in Accounting and Finance. His academic training covers a broad range of topics, including financial and managerial accounting, internal controls, auditing, and federal income tax. This diverse background enables him to approach accounting from both a technical and strategic perspective.

Administrative Professional

Florence Balay-Valbrun is a highly skilled and results-driven administrative professional with extensive experience in office management, executive support, and organizational coordination. She is a retired schoolteacher and is known for her ability to streamline operations, manage high-priority tasks efficiently, and maintain a structured, well-organized work environment.

With a strong background in administrative operations, Florence excels in scheduling, document management, data analysis, and process improvement. Her keen attention to detail and ability to multitask allow her to manage complex projects while ensuring deadlines are met with precision.

An excellent communicator, Florence is adept at collaborating with executives, employees, and external partners. She thrives in fast-paced environments where discretion, problemsolving, and adaptability is essential. Whether coordinating meetings, managing budgets, or overseeing office logistics, she approaches every task with a proactive and strategic mindset.

Florence Balay-Valbrun holds a Certificate of Advanced Study in Educational Administration from The College of Saint Rose, a Master of Science in Chemistry from Long Island University, and a Bachelor of Arts in Chemistry and Secondary Education with a Minor in Economics from Queens College.

Staff Accountant

Naromie is a highly qualified accountant and a Member of the Institute of Internal Auditor with over 18 years of professional experience. She holds a degree in Business Administration from the National Institute of Management and International Studies (INAGHEI) in Port auPrince and an accounting degree from Quisqueya University, also in Port-au-Prince. Additionally, Naromie completed the IEP program at Georgia State University. Currently, she serves as an Accounting Associate at Chattahoochee Technical College in Marietta, Georgia.

Naromie began her career in 1999 in the manufacturing industry with a company specializing in sheet metal production and marketing, where she worked as a Junior and Intermediate Accountant.

Business Development & Audit Support

Marissa has over five years of experience in operations management, providing a strong foundation for driving internal efficiency and client-focused solutions. Marissa earned her bachelor’s degree at Baruch College in Business Administration in Operation Management. She holds a Lean Six Sigma Green Belt and a Product Management Certificate, equipping her with the tools to streamline processes and support strategic growth initiatives.

Ms. Mathieu joined the firm on April 2025 as Business Development staff, she brings her years of expertise and experience to the firm.