Theo Constantine
Financial Systems Manager | Center of Excellence at Reliance Home Comfort | Greater Toronto Area, Canada
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Theo Constantine currently serves as the Financial Systems Manager at Reliance Home Comfort, where he plays a pivotal role within the Center of Excellence. In this capacity, Theo leverages over 25 years of extensive experience in financial systems, accounting, and project management to drive strategic initiatives that enhance operational efficiency and data integrity across the organization. His expertise encompasses system selection, proof of concept, implementation, and ongoing support, ensuring that Reliance’s financial infrastructure aligns seamlessly with business objectives.
At Reliance, Theo spearheads complex finance projects, collaborating closely with both Finance and IT teams to identify and prioritize system issues, develop actionable solutions, and implement continuous improvement measures. His leadership in process optimization and system integration has been instrumental in streamlining financial workflows, reducing manual effort, and strengthening internal controls. Theo’s deep understanding of financial modeling, system standards, and data governance ensures that financial data remains accurate, compliant, and readily accessible for decision-making.
Moreover, Theo’s role involves monitoring system usage to maintain high standards of data integrity and compliance, as well as providing expert guidance on system functionalities and process enhancements. His ability to liaise effectively with cross-functional teams and clients demonstrates his strong leadership and communication skills. With a focus on innovation and operational excellence, Theo Constantine continues to contribute significantly to Reliance Home Comfort’s financial systems strategy, ensuring the organization remains agile and competitive in a dynamic industry landscape.
Financial Systems Manager | Center of Excellence at Reliance Home Comfort in June 2022 to Present
Finance Integration Lead - SAP 4/HANA, IS-U, CONCUR, BLACKLINE Implementation at Reliance Home Comfort in September 2019 to May 2022
Manager, Financial Systems at Reliance Home Comfort in February 2012 to August 2019
Manager, Accounting (Design & Project Delivery Services) at Brookfield Johnson Controls in February 2010 to January 2012
Manager, Operations Accounting (O&M and Projects) at Brookfield Johnson Controls in November 2006 to January 2010
Manager, Accounting and Reporting (Operations Finance) at Brookfield Johnson Controls in July 2005 to October 2006
Senior Business Analyst at Reliance Home Comfort in May 2000 to June 2005
System Accountant at AccounTemps Canada in May 1999 to April 2000
Management Information Systems (System Accountant) at Hutchison Telecoms in April 1998 to December 1998
Business Analyst at ZILLIONe in April 1994 to April 1998
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(ISC2) - International Information System Security Certification Consortium, Inc., Building a High-Performing Cybersecurity Team Course Completion Certificate, August 2026
(ISC2) - International Information System Security Certification Consortium, Inc., CC (Course Completed), August 2026
LHH, The Accountable Leader Program, August 2026
Association of International Certified Professional Accountants, CGMA
BCS, The Chartered Institute for IT, MBCS
CIMA, ACMA
The Association Business Executives, AMABE
The Association of Accounting Technicians, AAT
The Institute for Management Information Systems, IMIS
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Digital Transformation
Project Management
Financial Modeling
Continuous Improvement
System Implementations
Leadership
System Migration
Client Liaison
Business Analysis
Financial Reporting
Team Leadership
CRM
Financial Accounting
Business Process
Operations Management
Project Delivery
Vendor Management
Variance Analysis
Project Planning
Microsoft Excel
Corporate Finance
Project Coordination
Contract Management
Facilities Management
Accounts Payable
Internal Controls
Contract Negotiation
Business Strategy
Change Management
MS-ACCESS and EXCEL VBA
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Discover more about Reliance Home ComfortWhat is Theo Constantine email address?
Email Theo Constantine at [email protected] and [email protected]. This email is the most updated Theo Constantine's email found in 2026.
What is Theo Constantine phone number?
Theo Constantine phone number is +19054713401.
How to contact Theo Constantine?
To contact Theo Constantine send an email to [email protected] or [email protected]. If you want to call Theo Constantine try calling on +19054713401. (updated on March 15, 2025)
What company does Theo Constantine work for?
Theo Constantine works for Reliance Home Comfort
What is Theo Constantine's role at Reliance Home Comfort?
Theo Constantine is Financial Systems Manager | Center of Excellence
What industry does Theo Constantine work in?
Theo Constantine works in the Consumer Services industry.
Theo Constantine Email Addresses
Theo Constantine Phone Numbers
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