Ren Koelmeyer
Ass Director Architecture at Optus | Sydney, New South Wales, Australia
Ren Koelmeyer’s Email & Phone Number
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Ren Koelmeyer serves as Assistant Director of Architecture at the Australian telecommunications company Optus, where he directs enterprise and business architecture initiatives centered on strategic planning and digital transformation. He leverages executive training from Harvard Business School Online to guide large-scale organizational change and technology modernization efforts. Based in Sydney, New South Wales, Koelmeyer specializes in investment road mapping across SAP, ERP, AdTech, MarTech, and AI ecosystems within the computer software sector.
BEST APPROACH TO REACH Ren Koelmeyer
Contact him directly through his work email at Optus with a concise proposal detailing how your solution accelerates investment road mapping or SAP modernization, or request a meeting on LinkedIn by citing his TOGAF certification to quickly demonstrate technical alignment.
Ass Director Architecture at Optus in December 2025 - Present
Enterprise Architecture Lead - Transformation at University of Technology Sydney in May 2025 - November 2025
Enterprise Architect at News Corp Australia in August 2021 - May 2025
Head of Enterprise Architecture interim at News Corp Australia in November 2023 - February 2025
Managing Consultant | S/4HANA Principal Enterprise Architect at Bridgestone Mining Solutions Australia in February 2020 - May 2021
Senior Consultant at NTT DATA Business Solutions in November 2019 - March 2020
Enterprise Solution Architect at GrainCorp in July 2018 - November 2019
Head of Architecture and Strategy Domain - Order to Cash at Zimmer Biomet in November 2016 - July 2018
IT Programme Architect | Domain Architect at Coca-Cola Amatil in April 2009 - October 2016
Snr Consultant at Plaut IT Australia in June 2008 - May 2009
Snr Consultant at George Weston Foods in June 2008 - March 2009
Snr SAP Consultant at CHEP Australia in September 2006 - June 2008
SAP Team Lead at Central Bank of Sri Lanka in May 2006 - August 2006
SAP Principal Architect at Computer systems limited in January 2004 - August 2006
SAP Consultant at Dialog Axiata PLC / IBM Global Services in July 2005 - May 2006
SAP Consultant at Nissan Motor Co., Ltd. in November 2004 - March 2005
Consultant at John Keells Holdings PLC in September 2004 - November 2004
Solution Architect - Pre-Sales Consultant CRM at KBSL Information Technologies Limited in February 2001 - April 2003
Harvard Business School Online, Certificate Program, October 2026
Monash University, B.Sc Computer Science, October 1997 to October 2026
Box Hill Institute, Dip.Eng Electronics Computer Systems, October 1996 to October 1997
Optus is an Australian telecommunications company, delivering more than 11 million services to our customers every day across mobile, broadband and digital solutions.
Discover more about Optus
Deputy General Counsel, Corporate Services
Deputy General Counsel - Corporate Services at Optus
(April 2022 – Present)
MBA Candidate | Project & Program Management | Engineering | Leadership
Senior Technical Specialist, SAED Delivery at Optus
(June 2020 – Present)
Values driven Executive in Technology, Risk and Compliance, Mentor and Coach
Director of Scam Prevention at Optus
(August 2025 – Present)
Cybersecurity | Managed Services | Telecommunications | Channel Management | Cloud | Unified Comms
Senior Consulting Architect at Optus
(August 2021 – Present)
Business Resilience | Business Continuity | Crisis Management | Executive Management | People Leader
Associate Director, Risk and Resilience at Optus
(January 2023 – Present)
Senior Leader | Customer Value Management (CVM) | MarTech Transformation | Data & Analytics | Product Growth & CX Strategy
Associate director - Prepaid Base Management at Optus
(November 2023 – Present)
What is Ren Koelmeyer email address?
Email Ren Koelmeyer at [email protected], [email protected] and [email protected]. This email is the most updated Ren Koelmeyer's email found in 2026.
What is Ren Koelmeyer phone number?
Ren Koelmeyer phone number is +61428865961.
How to contact Ren Koelmeyer?
To contact Ren Koelmeyer send an email to [email protected], [email protected] or [email protected]. If you want to call Ren Koelmeyer try calling on +61428865961. (updated on December 07, 2025)
What company does Ren Koelmeyer work for?
Ren Koelmeyer works for Optus.
What is Ren Koelmeyer's role at Optus?
Ren Koelmeyer is Ass Director Architecture
What industry does Ren Koelmeyer work in?
Ren Koelmeyer works in the Computer Software industry.
