Stefan Tassy

Detail-oriented professional with comprehensive experience in accounting administration and operational management within multifaceted environments. Proven ability to manage extensive vendor contracts, uphold regulatory compliance, and streamline financial reporting processes. Adept at leveraging advanced software solutions to enhance operational efficiency and improve stakeholder communication.

Assistant Accounting Administrator - WS Development - Chestnut Hill, MA

(2026-01)

• Manage check deposits for over 2,000 tenants across 50 properties, ensuring strict lease and regulatory compliance.
• Maintain and audit lease and loan documentation across both digital and physical systems to safeguard organizational integrity.
• Process vendor and contractor payments utilizing MRI and AVID software systems, optimizing banking and document workflows.
• Collaborate with various departments to enhance internal controls and promote operational efficiency.
• Develop and implement process improvements that streamline accounting operations and reporting practices.

Administrative Coordinator - Irongate Properties - Lynn, MA

(2016-01 - 2026-01)

• Supervised daily operations of residential properties, ensuring compliance with lease agreements and occupancy regulations.
• Coordinated with vendors and contractors, monitoring performance, budgets, and issue resolution strategies.
• Managed the financial processes related to rent collection, vendor payments, and monthly/annual reporting.
• Assisted in lease negotiations and optimizations to improve tenant onboarding and retention.
• Provided comprehensive administrative support to enhance operational efficiency across all property management functions.

College Success Advisor (UMass Boston, UMass Amherst, Boston University) - Bottom Line College Advising - Boston, MA

(2023-01 - 2025-01)

• Managed a diverse caseload of over 80 students, utilizing Salesforce for tracking academic progress and outcomes.
• Maintained detailed, audit-ready documentation and conducted compliance reviews to uphold program integrity.
• Effectively communicated complex academic and financial policies to students and stakeholder groups.
• Developed a comprehensive weekly newsletter to improve student awareness of deadlines and opportunities.
• Implemented strategies to enhance overall student success and retention rates.

Mailroom Manager - BNY Mellon - Boston, MA

(2018-02 - 2023-01)

• Managed mailroom operations handling confidential financial and regulatory documents, ensuring security and compliance.
• Executed process improvements that supported operational efficiency and audit readiness within the mailroom.
• Supervised and trained staff, conducting performance evaluations and addressing operational challenges.

M.S. - Human Resources Management - Framingham State University (2021-05)

B.A. - Psychology - Suffolk University (2015-05)