John Jankowski
AeroLeads people directory · profile

John Jankowski Email & Phone Number

Director, Global AR and Credit Operations at Syniverse at Syniverse
Location: Matthews, North Carolina, United States 12 work roles 1 school
1 work email found @syniverse.com 1 phone found area 813 LinkedIn matched
✓ Verified Jul 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email · 1 phone

Work email j****@syniverse.com
Direct phone (813) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Director, Global AR and Credit Operations at Syniverse
Location
Matthews, North Carolina, United States
Company size

Who is John Jankowski? Overview

A concise factual answer block for searchers comparing this professional profile.

Quick answer

John Jankowski is listed as Director, Global AR and Credit Operations at Syniverse at Syniverse, a with 2019 employees, based in Matthews, North Carolina, United States. AeroLeads shows a work email signal at syniverse.com, phone signal with area code 813, and a matched LinkedIn profile for John Jankowski.

John Jankowski previously worked as Director, Global AR & Credit Operations at Syniverse at Syniverse and Senior Manager - Global Accounts Receivable at Syniverse. John Jankowski holds Bachelor Of Arts, Accounting from Michigan State University.

Company email context

Email format at Syniverse

This section adds company-level context without repeating John Jankowski's masked contact details.

{first}.{last}@syniverse.com
89% confidence

AeroLeads found 1 current-domain work email signal for John Jankowski. Compare company email patterns before reaching out.

Profile bio

About John Jankowski

Highly experienced billing, AR/credit & collections, project management, client services & accounting professional. Highly energetic with a proven ability to lead global teams, influence change, drive improvements, project manage complex assignments, and deliver results across the organization. A self-motivated individual who is always challenging current practices and thinking out-of-the-box. Excellent communication and interpersonal skills, with the ability to establish effective relationships across all levels of the organization.Professional Accomplishments• Implemented SAP FSCM which harmonized collection processes globally, and lead to DSO improvement of 8 days (from 78 to 70 days) and $25 million of additional FCF annually.• Took over credit risk analysis, and transformed the process by instituting a standardized credit review via financial statement ratio analysis. Mitigated credit risk via shortened payment terms, bank guarantees, letters of credit, and security deposits to name a few. Initiated and implemented numerous enhancements within the Appian Order-to-Cash system to ensure proper checks and balances regarding credit reviews.• Collaborated with both Sales and Customer Service by conducting face-to-face customer visits. The relationship building improved satisfaction scores from 7.3 to 8.1, as well as cash flow. AR delinquency at one point was at zero (0) for the customers visited; which represented over 60% of Switch and Data’s revenue. Process improvements included first invoice reviews, invoice format and content changes, and online availability of documents required to speed up invoice approval and payments.• Implemented a Siebel CRM billing integration which eliminated manual billing processes and resulted in operational savings of $120K/year. • Project managed the Accounts Receivable integration of both the MACH and AICENT acquisitions. This included taking over responsibility of the AR team in Bangalore, India, and Beijing, China. MACH was a global provider of data clearing and financial settlement service for telecom companies, and Aicent was the world’s largest multi-service IPX provider of data network services. • Automated Syniverse’s Accounts Receivable monthly executive reporting; saving eight (8) hours of work. Additionally, created alternative AR Reports for Sales and Operations, by region, by customer type, by product, and line of business. These alternative reports helped to identify key areas of focus and prioritization to improve cash flow.

Listed skills include Telecommunications, Management, Accounting, Vendor Management, and 43 others.

Current workplace

John Jankowski's current company

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

Syniverse
Syniverse
Director, Global AR and Credit Operations at Syniverse
Matthews, NC, US
Website
Employees
2019
AeroLeads page
12 roles · 16 years

John Jankowski work experience

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

Director, Global Ar And Credit Operations At Syniverse

Matthews, Nc, Us

Director, Global Ar & Credit Operations At Syniverse

Tampa, Florida, Us

The world’s most connected company, providing a secure, global network, that reaches millions of people. Its focus is on 5G, IOT, SMS, and cybersecurity to name a few. Syniverse is a privately held company with 2,300 employees and annual revenues of $780M.□ Manage a team of 11 employees spread across three continents, supporting collections for 2,000 customers with monthly revenue of $65M.□ Responsible for quarterly and yearly audit requests, including statutory audits previously performed in Germany.□ Cash application process improvements which included a change in SAP application methodology, as well as creation of a global policy manual to ensure consistent posting and application of cash.□ Created more robust Accounts Receivable reporting to better support Sales’ numerous Lines of Business (LOB).□ Refined collection policy and dunning timelines to align with regional/cultural best practices, based on a diverse AR sub-ledger.□ Responsible for determining the appropriate level of Bad Debt exposure on a quarterly basis, as well as providing guidance on credit reserve exposure.

Senior Manager - Global Accounts Receivable

Tampa, Florida, Us

Nov 2013 - Oct 2017

Ar Manager

Tampa, Florida, Us

Nov 2012 - Nov 2013

Manager Of Billing, Credit & Collections

Tampa, Florida, Us

A transportation cleaning and maintenance company, focused on tank, tote, and IBC cleaning and reconditioning. Qualawash is a privately held company, with over 75 locations across North America, and annual revenues of $130M.□ Reduced DSO by over 10 days, and 60+ days outstanding receivables as a percentage of total receivables by 7% (12% to 5%) within the first six months of hire.□ Eliminated $120K of annual salary expense via streamlining of responsibilities.□ Assumed leadership of the billing function within 4 months of hire. □ Exceeded the CEO’s goal to reduce 90+ outstanding AR to $300K by 8/1/12. Goal was achieved by 6/15/12 with actual receivables at $182K. □ Enhanced invoice reprinting by allowing multiple invoices to be reprinted at once (old method was one at a time).□ Redesigned the Credit Application and instituted a change in methodology to reflect a more accurate bad debt expense.

Jan 2012 - Nov 2012

Revenue Cycle Manager

Laser Spine Institute

The leader in minimally invasive spine surgery for chronic neck or back conditions such as herniated/ bulging discs, pinched nerves and spinal arthritis. LSI is a privately held company with approximately 500 employees.□ After six (6) weeks of hire, took on management of the Appeals team. This created ownership of the entire Patient Financial Services team and increased direct reports from eleven (11) to twenty-three (23).□ Automated daily account reporting which created workload savings of 40 hours/month.□ Created process flows and policy and procedures for the Verification, Pre-Authorization, Billing, and Appeal’s team to ensure consistency of workflow, and improve accuracy of work.□ Initiated cross-training among the Verification & Authorization teams to handle changes in workload, ensure proper resource coverage, and improve morale.

2011 - 2011

Director Of Credit, Billing & Collections

Tampa, Florida, Us

A provider of network-neutral data centers and internet exchange services. Services included colocation, network connectivity and peering from 34 data centers in North America. At the time, Switch and Data was a public company with annual revenues of $172M when they were acquired by Equinix in 2010.□ Promoted to Director after being with the company for two years.□ Saved over $300K/year via rigorous review of vendor invoices.□ Created the design, layout, and format of our invoice, including 2nd and 3rd generation enhancements to meet customer demands. □ Project Managed the Billing and AR side of six (6) acquisitions□ Implemented an online invoice portal for customers to be able to access invoices.□ Re-engineered the original invoice and credit and collection processes, including institution of a dunning letter process.□ Assisted Accounting with monthly close activities, including revenue recognition and bad debt analysis.

Jan 2001 - Sep 2010

Manager, Billing Control

Aerial Communications, Inc.

A regional network operator in the United States before being acquired by VoiceStream Wireless in 2000. It provided digital wireless personal communication services (PCS) and had an employee base of 2,000. Managed a team of two (2) Supervisors and sixteen (16) staff.  Designed, developed, and implemented all original billing policy and procedures. These controls resulted in a bill accuracy rate of 99.2%, and a revenue leakage rate of less than .02% of billed revenue. Solely responsible for performing bill validations during pre-launch testing periods. Identified, tracked, and reported all billing issues as they related to content, format, and fulfillment, as well as ensured all issues were resolved accurately and efficiently to meet the market launch dates.  First market launched with a Bill Accuracy rate of 96%. Served as a Subject Matter Expert for the VoiceStream merger, and post-merger provided consultancy services to VoiceStream’s billing team. Supported the implementation of key organizational initiatives such as GSM, AMPS, and International Roaming. Assisted in the design, creation and implementation of the Billing Statement. Designed all Revenue Trending Analysis Reports for the Department.

Aug 1998 - Jul 2000

Billing Control, Team Manager

Aerial Communications, Inc.
Jul 1997 - Aug 1998

Billing Control, Billing Analyst

Aerial Communications, Inc.
Sep 1996 - Jul 1997

Revenue Assurance, Market Analyst

Chicago, Illinois, Us

A regional carrier which owns and operates the fifth-largest wireless telecommunications network in the United States, serving 5M customers in 426 markets. USCC has revenues of $4B, and an employee base of 10,300. Designed, developed and conducted a Supervisor Training Program for cellular market personnel. Recovered $80K in lost revenues through market analysis. Redesigned and implemented policy and procedure manuals for the Department.  Participated in four acquisitions and divestitures of cellular markets.  Assessed new cellular product impacts to billing.

Mar 1995 - Sep 1996

Staff Accountant

Evans, Marshall, And Pease, P.C.

A small public accounting and business consulting corporation, with a focus on audits for local governments and not-for-profit organizations, as well as the preparation of tax returns for all types of businesses and individuals. Forecasted cash flow, budgeted capital expenditures, and audited reports for Municipalities, School Districts, Bank, and Industry.  Prepared Individual, Corporate, Trust and Estate Tax Returns.  Conducted monthly and quarterly compilations and reviews.  Prepared Financial Statements and respective notes.

Oct 1993 - Mar 1995
Team & coworkers

Colleagues at Syniverse

Other employees you can reach at syniverse.com. View company contacts for 2019 employees →

1 education record

John Jankowski education

  • Michigan State University
    Michigan State University
    Accounting
FAQ

Frequently asked questions about John Jankowski

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

What company does John Jankowski work for?

John Jankowski works for Syniverse.

What is John Jankowski's role at Syniverse?

John Jankowski is listed as Director, Global AR and Credit Operations at Syniverse at Syniverse.

What is John Jankowski's email address?

AeroLeads has found 1 work email signal at @syniverse.com for John Jankowski at Syniverse.

What is John Jankowski's phone number?

AeroLeads has found 1 phone signal(s) with area code 813 for John Jankowski at Syniverse.

Where is John Jankowski based?

John Jankowski is based in Matthews, North Carolina, United States while working with Syniverse.

What companies has John Jankowski worked for?

John Jankowski has worked for Syniverse, Quala, Laser Spine Institute, Switch And Data, and Aerial Communications, Inc..

Who are John Jankowski's colleagues at Syniverse?

John Jankowski's colleagues at Syniverse include Ibn Abdullah, Eileen Croal, Karen Matteson, Li Jiang, and Priyanka Bakuna.

How can I contact John Jankowski?

You can use AeroLeads to view verified contact signals for John Jankowski at Syniverse, including work email, phone, and LinkedIn data when available.

What schools did John Jankowski attend?

John Jankowski holds Bachelor Of Arts, Accounting from Michigan State University.

What skills is John Jankowski known for?

John Jankowski is listed with skills including Telecommunications, Management, Accounting, Vendor Management, Leadership, Accounts Receivable, Analysis, and Team Leadership.

Find 750M verified contacts

Search by job title, company, industry, location, and seniority. Export verified B2B contact data when you need it.