Global Revenue & GTM Operator

Marek
Wasilewski

Building high-performing, predictable and scalable businesses across SaaS, Cloud, Cybersecurity, Networking and Services — with clarity on where to win and discipline in how to execute.

20+Years Leading
$450M+ARR Managed
150Team Members Led
5Global Regions
Marek Wasilewski

Execution over noise.
Value creation over activity.

I am a Global Revenue & GTM Operator with 20+ years scaling SaaS, Cloud, Cybersecurity, Networking and Services businesses across the Americas, EMEA and APAC.

I am typically most useful at growth or turnaround inflection points — when an organization needs to professionalize revenue, restore predictability and align execution to CEO, board and investor expectations.

I operate with a Private Equity mindset: clarity over complexity, execution over noise and value creation over activity. Modern leadership, however, requires more than intensity. It requires a system that can turn strategy into repeatable organizational performance.

That belief is what drove the evolution of a framework I have used for more than a decade into T.E.A.M. 2.0.

Choose where to win. Decide with evidence. Execute with urgency. Multiply performance.

T.E.A.M. 2.0 — predictable, scalable growth.

Markets move faster. Customers expect more. AI is changing how information becomes action. Revenue organizations are more complex, interconnected and accountable for predictable outcomes.

T.E.A.M. 2.0 is how I think about building high-performing organizations in that environment: Target. Evaluate. Act. Multiply.

The framework is supported by four operating conditions: Focus, Simplicity, Discipline and Consistency. Together they create an organization that is less dependent on heroics and more capable of repeating excellence.

“The goal is not heroic individual performance. It is scalable organizational performance.”
T.E.A.M. 2.0 leadership operating system
Target

Choose where to play and win.

Evaluate

Turn insight into better decisions.

Act

Execute with urgency and accountability.

Multiply

Scale through people, partners and technology.

Same values.
A stronger operating model.

The original T.E.A.M. framework was built around communication, judgment, execution and developing people. Those principles remain relevant. What changed is the context: more data, more channels, AI-enabled decisions, greater GTM complexity and a premium on repeatability and scale.

2015 · Original framework

T.E.A.M.

Built around strong communication, rigorous evaluation, decisive execution and developing people.

TalkEvaluateActMentor
→
Today · Leadership operating system

T.E.A.M. 2.0

Built for strategic choice, evidence-led decisions, execution velocity and organizational scale.

TargetEvaluateActMultiply
The principles did not disappear. Leadership evolved.
FocusRuthless clarity on what matters.
SimplicityRemove complexity and friction.
DisciplineTurn intention into predictable execution.
ConsistencyMake excellence repeatable.
Personal aircraft
Leadership in practicePrecision, preparation and situational awareness reinforce the operating system.

The framework is the model.
The disciplines make it real.

Aviation and endurance sport have influenced how I think about preparation, judgment, resilience and operating rhythm for years. They are not the leadership model itself; they are disciplines that reinforce T.E.A.M. 2.0.

Situational awarenessKnow your position before you decide.
Pre-flight disciplinePreparation reduces avoidable execution risk.
PacingSustained performance beats short bursts of activity.
Team before egoNo one wins a complex transformation alone.

Leadership, GTM and the
discipline of execution.

Ideas shaped by building global revenue organizations, navigating transformation and learning where preparation, evidence and operating cadence make the difference.

T.E.A.M. 2.0

From Framework to Operating System

Why the original T.E.A.M. framework evolved — and what changes when Talk becomes Target and Mentor becomes Multiply.

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Final approach from the cockpit

Why Every Sales Leader Needs a Pre-Flight Checklist

Pilots do not rely on memory before takeoff. Revenue leaders should not rely on hope before a quarter either.

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Cycling

Pacing the Quarter

What endurance sport teaches about pipeline, energy, consistency and delivering the full-year number.

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Cockpit

When Visibility Drops, Fly the Instruments

Why evidence, process and operating cadence matter most when markets become uncertain.

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Speaking on stage

Clarity, Discipline and Followership

High-performing teams do not need more slogans. They need clear standards, strong leaders and a repeatable operating rhythm.

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Marek Wasilewski at a leadership event

Performance Needs Perspective

The strongest executives create space for reflection, perspective and recalibration — not just another execution sprint.

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A career built on
measurable outcomes.

Across enterprise technology, cloud, cybersecurity and connectivity, the common thread has been turning commercial complexity into clearer GTM choices, stronger operating cadence and measurable growth.

Feb 2026 — Present · Expereo

General Manager, Americas

Global Connectivity & SD-WAN · United States
  • Leading the Americas business across revenue growth, customer expansion and operational execution.
  • Scaling high-performing teams and strengthening strategic partnerships across direct and channel motions.
  • Delivering secure, high-performance global connectivity that enables enterprise transformation.
Feb 2021 — Jan 2026 · Extreme Networks

VP Sales, Americas & LATAM / Global VP, Service Providers

Networking & Cloud · Dallas, TX
  • Grew subscriptions +28% YoY and improved renewals by +10%.
  • Delivered 12% over Annual Operating Plan. World Cup Winner, President's Club, Summit Club.
  • Drove +43% international Service Provider growth via SaaS modernization.
  • Built and led a 40-person global sales organization across four regions.
Mar 2019 — Feb 2021 · Mavenir

SVP, Global Enterprise Sales

Telecom Software · Dallas/Fort Worth
  • Built global channel partner program from zero to $5M in year one.
  • Repositioned enterprise and Service Provider GTM to support transformation and margin expansion.
Oct 2017 — Mar 2019 · Symantec

Global VP, Service Providers

Cybersecurity · Mountain View, CA
  • Owned a $60M ACV SaaS portfolio with 20% YoY growth.
  • Built Tier-1 Service Provider alliances and global distribution leverage.
Aug 2007 — Oct 2017 · Mitel

VP & GM, Cloud Sales — Americas & EMEA

Cloud Communications · Dallas/Fort Worth
  • Scaled cloud business to $150M+ with 200% growth in 24 months.
  • Led a 150-person multi-BU organization across Enterprise, Channel and Service Provider.
  • Consistently exceeded plan — up to 138% attainment.
  • Introduced vertical GTM specialization, increasing UK&I share 30%.
Nov 2015 — Present

Creator, T.E.A.M. Leadership Framework

Leadership IP · Austin, TX
  • Created and evolved T.E.A.M. into T.E.A.M. 2.0 — a practical operating system for predictable, scalable growth.
  • Board Member, Keynote Speaker Hub (Sep 2024 – Feb 2026).

Strategy is only valuable
when it changes performance.

Revenue Architecture

Building predictable, repeatable revenue engines with MEDDPICC rigor, pipeline governance and forecast discipline.

GTM Strategy & Execution

Designing and executing global GTM models across Enterprise, Service Provider and Partner ecosystems.

P&L Management

Owning portfolios up to $450M+ ARR with operating discipline aligned to board and investor expectations.

Team Scaling

Building and leading 40–150 person global organizations, installing operating cadence and leadership culture.

PE & Turnarounds

Engaging at growth and turnaround inflection points to professionalize revenue and restore predictability.

SaaS & Cloud Growth

Driving 20–40% recurring revenue growth YoY with 8–15 point NRR improvements across global markets.

The disciplines that
keep leadership human.

High performance needs perspective. Aviation reinforces precision and preparation; family keeps achievement in context; home reminds me that recovery and perspective are part of sustainable performance.

Personal aircraft
AviationPrecision, preparation and situational awareness.
Family moment
PerspectiveThe people and relationships that keep success in context.
Lake at sunset
HomeRecovery, perspective and the quieter side of performance.

Consistent performance.
Recognized over time.

President's ClubMultiple Years
Chairman's Inner CircleTop Performer
CRN Channel ChiefIndustry Recognition
World Cup WinnerExtreme Networks

Education & Languages

Master of Business AdministrationRegent Business School · Marketing Strategy · 2004–2008
Role of the Director and the BoardThe Institute of Directors · 2014
Published ResearchBrand Proposition in Support of Marketing Strategy in a South African telecommunications service provider.
LanguagesEnglish · Afrikaans · Polish

Voices from those who
know the work.

“He’s the pro’s pro. Best I have seen from a 30‑year sample size. My recommendation is backed by results and thousands of others who would say the same.”
JV
Joe VitaloneCRO · CEO · Board Director · Advisor | Senior to Marek, Mitel
“His ability to navigate diverse markets and environments might be his superpower. Critical thinking coupled with unwavering commitment to collaboration and innovation consistently drives success.”
WD
Wes Durow3x CMO · OnCon Top 10 Global Marketer | Extreme Networks
“Marek is a rare combination of strategic visionary and hands-on operator… Under his leadership, the Services Sales organization operated with clarity, discipline, and purpose — and it showed in both performance and team engagement.”
JC
Jorge CabreraArea Operations Leader | Direct Report, Extreme Networks
“Marek is responsible for growing cloud business and, in my experience, is a leader who always hits and exceeds his plan, creates followership, and is an outstanding commercial leader integral to his company’s cloud growth.”
ME
Martyn EtheringtonCMO, BMC Software | Senior to Marek, Mitel
“Servant leaders are hard to find. Marek understands the organizational chart is inverted. I enjoyed and benefited enormously from his positive energy, tireless support, and strategic selling skills.”
AS
Andy StentoSenior Sales Leader | Direct Report, Symantec
“Articulate, intelligent, and agile. A great person to bounce ideas off who demonstrates a strategic mind. I would have no hesitation in recommending Marek.”
JS
Jonathan SharpCEO · NED · Author | External Partner
“I had the privilege of helping Marek move to the US after working with him at Mitel. He is an exceptional leader — the pro’s pro. Best I have seen from a 30-year sample size. I would welcome the chance to work with him again.”
JV
Joe VitaloneCRO · CEO · Board Director · Advisor | Senior to Marek, Mitel
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Build something predictable,
scalable and exceptional.

Open to conversations around senior executive leadership, advisory work and keynote speaking.