Stef Ko
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Stef Ko Email & Phone Number

Business Consultant at CSG
Location: Greater Sydney Area, Australia, Australia 15 work roles
1 work email found @vocus.com.au LinkedIn matched
✓ Verified May 2026 3 data sources Profile completeness 86%

Contact Signals · 1 work email

Work email s****@vocus.com.au
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
CSG
Role
Business Consultant
Location
Greater Sydney Area, Australia, Australia
Company size
7504 employees

Who is Stef Ko? Overview

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Quick answer

Stef Ko is listed as Business Consultant at CSG, a company with 7504 employees, based in Greater Sydney Area, Australia, Australia. AeroLeads shows a work email signal at vocus.com.au and a matched LinkedIn profile for Stef Ko.

Stef Ko previously worked as Senior Business Analyst at Vocus and Partner Operations Analyst at Vocus.

Company email context

Email format at CSG

This section adds company-level context without repeating Stef Ko's masked contact details.

{first}.{last}@vocus.com.au
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AeroLeads found 1 current-domain work email signal for Stef Ko. Compare company email patterns before reaching out.

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Profile bio

About Stef Ko

Stef Ko is a Business Consultant at CSG. He possess expertise in new business development, lead generation, direct sales, prospect qualification, negotiation and 23 more skills. He is proficient in Mandarin. Colleagues describe him as "Stef has been on of my most amazing colleagues. It's such a pleasure to work with her. She makes things easy for the people around her. If I had to pick members of my team, Stef would definitely be one of my top picks." and "When I worked at Telstra Business Center Rosebery, Stefanie was a hard working and dedicated member of my sales team. She was always proactive and seeks out training in order to continually learn and develop. Stefanie is outgoing, with a positive attitude which translates into excellent customer satisfaction scores and contributes to the supportive organisational culture. She was a valued member of our team."

Listed skills include New Business Development, Lead Generation, Direct Sales, Prospect Qualification, and 24 others.

Current workplace

Stef Ko's current company

Company context helps verify the profile and gives searchers a useful next step.

CSG
Csg
Business Consultant
Kensington, NSW, AU
Website
csgi.com
Employees
7504
AeroLeads page
Company profile
View company profile Email format
15 roles

Stef Ko work experience

A career timeline built from the work history available for this profile.

Business Consultant

Csg

Kensington, NSW, AU

Senior Business Analyst

Current
Vocus

North Sydney, New South Wales, Australia

Our project team delivered the highest priority project in the history of our business' as the largest digital sales transformation project including: a full salesforce platform transformationintegration with a new CPQ system across the full horizontal business value chain technical development changes in both BSS and OSS stacks internallyre-developing new.

Jun 2021 - Present

Partner Operations Analyst

Vocus

Sydney, New South Wales, Australia

Implementing operational improvements within the Channel Partner space

Oct 2020 - Jun 2021

Customer Success Co-Ordinator

Vocus

Sydney, New South Wales, Australia

Career change to a back office role, supporting the NSW Direct Sales Team and Sales Managers with all their sales orders.

Oct 2018 - Oct 2020

Business Development Manager Nsw

Vocus Communications

Sydney, Australia

Tenaciously knocking down doors to bring new logos into the business.

Sep 2017 - Oct 2018

Business Account Executive

Telstra Business Centre Rosebery

Growth of ARPU - assessing customer whole of business within the Telstra SMB space with emphasis on restructuring their telecommunications to build for business expansion and to align with high level directional goals to help customers increase in revenue, reduction of inefficiencies in customer work operations and maximise productivity.

Jun 2015 - Sep 2017

Business Solutions Consultant

Telstra Business Centre Rosebery

713 Botany Road, Rosebery

Business Advice for Telstra's small and medium business customersTailoring business solutions that will empower clients' businesses and allow for future growthAligning Telstra's business products with clients' company goalsAct as clients' trusted advisor and have their benefits and interests front of mind

Jun 2014 - Jun 2015

Solutions Specialist Co-Ordinator

Telstra Business Centre Rosebery

First point of contact for all Telstra's small to medium business customersAppointing a dedicated specialist for business accountsCo-ordinating day to day follow ups and business enquiries

Oct 2013 - Jun 2014

Account Manager

Jps Marketing Ltd

North Sydney

Growth of existing portfolio, management of customer projects including meeting all product deliverables

Jul 2013 - Oct 2013

Specialist

Apple

Sydney Apple Store

Interim fun retail role

Jan 2013 - Jun 2013

Business Development Manager

Brand Promotions

Rosebery

Creating a brand new sales portfolio - finding brand new customers within the enterprise space.Management of each client project end to end with local and international suppliers from creative brief, product design, on-brand approval, prototype creation, production, quality control, shipping with the end goal of meeting project deadline.

Jan 2010 - Oct 2012

Ichannel Account Manager

Cisco Systems

North Sydney, NSW

- Territories Managed: Western Australia and South Australia- Educating new and existing channel partners on Cisco Products- Inducting new channel partners on the features and benefits of being a Cisco partner- Generating sales and ensuring sales growth from new and existing channel partnersICAM of the Quarter: June to September 2008

Jul 2008 - Mar 2009

Channel Account Manager

Sophos

Managing a portfolio of channel partners within the VIC, WA, SA, TAS states.

Jan 2006 - Jul 2008

Channel Account Manager

People Telecom

Taking care of a portfolio of channel partners within the company

Jun 2005 - Jan 2006

Customer Service Engineer

Swiftel Pty Ltd

Technical and Billing Customer Support

Mar 2004 - Jun 2005
Team & coworkers

Colleagues at CSG

Other employees you can reach at csgi.com. View company contacts for 7504 employees →

IM Innocent Maluleke Innocent Maluleke Colleague at Csg Soweto, Gauteng, South Africa, South Africa View → BR Bob Rion Bob Rion Colleague at Csg Omaha, Nebraska, United States, United States View → AK Alex Kohlscheen, Phr Alex Kohlscheen, Phr Colleague at Csg Omaha Metropolitan Area, United States View → JC Jeremy Cruz Jeremy Cruz Colleague at Csg Denver, Colorado, United States, United States View → TJ Tim Johnson Tim Johnson Colleague at Csg San Antonio, Texas, United States, United States View → YH Yogesh Harsh Yogesh Harsh Colleague at Csg Hyderabad, Telangana, India, India View → MH Michael Hanrahan Michael Hanrahan Colleague at Csg Greater Melbourne Area, Australia View → DC Deborah Clark Deborah Clark Colleague at Csg Omaha, Nebraska, United States, United States View → E( Emily (Visone) Lidard Emily (Visone) Lidard Colleague at Csg Denver, Colorado, United States, United States View → JF Jon Fagan Jon Fagan Colleague at Csg Omaha, Nebraska, United States, United States View →
FAQ

Frequently asked questions about Stef Ko

Quick answers generated from the profile data available on this page.

What company does Stef Ko work for?

Stef Ko works for CSG.

What is Stef Ko's role at CSG?

Stef Ko is listed as Business Consultant at CSG.

What is Stef Ko's email address?

AeroLeads has found 1 work email signal at @vocus.com.au for Stef Ko at CSG.

Where is Stef Ko based?

Stef Ko is based in Greater Sydney Area, Australia, Australia while working with CSG.

What companies has Stef Ko worked for?

Stef Ko has worked for Csg, Vocus, Vocus Communications, Telstra Business Centre Rosebery, and Jps Marketing Ltd.

Who are Stef Ko's colleagues at CSG?

Stef Ko's colleagues at CSG include Innocent Maluleke, Bob Rion, Alex Kohlscheen, Phr, Jeremy Cruz, and Tim Johnson.

How can I contact Stef Ko?

You can use AeroLeads to view verified contact signals for Stef Ko at CSG, including work email, phone, and LinkedIn data when available.

What skills is Stef Ko known for?

Stef Ko is listed with skills including New Business Development, Lead Generation, Direct Sales, Prospect Qualification, Negotiation, Closing Deals, Business Relationship Management, and Trusting Relationships.

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