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DAVID TREJOS

@davidtrejos

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Finance director and economics professor at UNI; co-designed SIPPSI and created an AI accounting assistant for SMEs.

Nicaragua

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At the National University of Engineering (UNI), I coordinate the Industrial Engineering and Economics and Business Engineering programs, teach finance and economics courses, and supervise theses. I direct budget planning and financial execution for the programs.

As Administrative and Financial Director and Director of the Finance Division at UNI, I directed institutional financial planning, budget execution, cash flow, and reporting. I also supervised accounting, payroll, and procurement processes and followed up on financial audit findings.

I founded Dueño en Control, an AI accounting assistant for SMEs that supports bookkeeping and advisory through WhatsApp. I built its accounting core and Nicaragua tax logic, and earlier co-designed SIPPSI, UNI's budget planning software.

Experience

Work history, roles, and key accomplishments

Current

Founder

Current

Dueño en Control

Jan 2026 - Present (9 months)

Conceived and lead an AI assistant that lets small business owners keep their books and receive advisory support via WhatsApp. Built the accounting core and tax logic for Nicaragua's General and Fixed-Fee regimes, including automatic double-entry journal entries, VAT, income tax advance payments, and depreciation.

AI Accounting Tax Logic VAT Income tax Depreciation Inventory Management WhatsApp entrepreneurship

Current

Academic Programs Coordinator and Full Professor

Current

National University of Engineering (UNI)

Jul 2025 - Present (1 year 3 months)

Coordinate the Industrial Engineering and Economics and Business Engineering programs, including academic planning, teaching load scheduling, and faculty assignment. Direct budget planning and financial execution for payroll and academic resources, and teach undergraduate courses in finance and economics.

Academic Planning Budget Planning Financial Management Financial Accounting Cost Accounting Corporate Finance Microeconomics Macroeconomics Faculty Coordination

Instructor, Specialized Diplomas

UCC

Jan 2025 - Jan 2026 (1 year)

Instructed specialized diplomas in Financial Management and Control, and Tax and Financial Strategy, covering short-term and long-term financial analysis, financial control, and tax oversight.

Financial Analysis Financial Control Tax Strategy Financial Statements Tax KPIs

Administrative and Financial Director

National University of Engineering (UNI)

Jan 2025 - Jul 2025 (6 months)

Directed the university's administrative and financial management and its institutional budget. Led budget planning, execution control, and variance analysis, and presented financial reports to senior management.

Budget Planning Financial Management Variance Analysis Financial Reporting Accounting Payroll Procurement

Director of the Finance Division

National University of Engineering (UNI)

Jan 2024 - Jan 2025 (1 year)

Directed the institution's financial planning, control, and reporting. Managed budget execution and cash flow, applied internal control and financial and tax regulations, and handled financial audits by oversight bodies.

Financial Planning Budget Execution Cash Flow Management Internal Controls Tax Compliance Financial Audit

Head of the Department of Economics and Business Engineering and Full Professor

National University of Engineering (UNI)

Jan 2014 - Dec 2023 (9 years 11 months)

Led the program for ten years, including academic and administrative planning, teaching load scheduling, and direct supervision of instruction. Coordinated with the Central Bank of Nicaragua and served on the BCN-UNI Academic Committee.

Academic Leadership Curriculum Design Program Coordination Faculty Oversight Academic Planning

Head of the Procurement Office

National University of Engineering (UNI)

Jan 2011 - Jan 2014 (3 years)

Led a team of 7 procurement analysts and planned purchases under public sector procurement laws and regulations, conducting tenders and minor procurements.

Procurement Team Leadership Tender Management Regulatory Compliance Public Sector Procurement

Adjunct Lecturer

Polytechnic University of Nicaragua (UPOLI)

Jan 2007 - Jan 2013 (6 years)

Taught Accounting I and II, Finance I and II, and Budgeting.

Teaching Accounting Finance Budgeting

Administrative and Financial Officer

Integradora Forestal e Industrial S.A. (IFISA)

Jan 2009 - Jan 2012 (3 years)

Handled full-cycle accounting including accounts payable and receivable, payroll, bank reconciliations, cash flow, payments, and financial statements. Implemented Simply Accounting Enterprise 2010 and wrote internal control procedures.

Accounting Accounts Payable Accounts Receivable Payroll Bank Reconciliation Cash Flow Management Financial Statements Simply Accounting

Budget Specialist

National University of Engineering (UNI)

Jan 2004 - Jan 2011 (7 years)

Prepared the annual budget, monitored its execution, and reported variances against budget. Co-designed SIPPSI, the university's budget planning software.

Budget Preparation Budget Monitoring Variance Analysis Financial Reporting SIPPSI