Summary
Overview
Work History
Education
Skills
Certification
Languages
Interests
Timeline
Hi, I’m

Ashwell Ndewere

Senior Manager Sales/Business Development
Dallas,TX
Ashwell Ndewere

Summary

Dynamic and results-driven Senior Manager in Sales and Business Development with Vestas with over a decade of global experience leading business development, sales, and commercial strategy across complex, competitive markets. Proven ability to drive revenue growth, expand market share, and build long-term customer partnerships through innovative tailored solutions, strategic foresight, and operational excellence.

Recognized for leading high-performing, cross-functional teams and delivering measurable outcomes in both mature and emerging markets. Adept at navigating matrixed organizations, managing risk, and aligning commercial initiatives with broader business objectives. Skilled in contract negotiation, financial modeling, CRM systems, and data-driven decision-making. A collaborative and inclusive leader who fosters cultures of accountability, continuous learning, and high performance. Known for balancing strategic vision with hands-on execution, and for consistently exceeding growth targets while building scalable, customer-centric business models.

Overview

11
years of professional experience
1
Certification

Work History

Vestas

Senior Manager- Business Development
04.2023 - Current

Job overview

Lead strategic Service sales and business development initiatives across North America, aligning commercial execution with Vestas’ long-term vision and regional KPIs.

  • Developed and negotiated strategic business partnerships with established and new customers to maximize revenue and expand market share.
  • Managed the full sales lifecycle from prospecting and proposal development to contract negotiation and handover to operations.
  • Delivered tailored presentations and solutions to customers, addressing complex service needs.
  • Built and maintained long-term customer relationships focused on repeat business and fleet-wide service optimization.
  • Prospected and closed multibrand service and repower opportunities across diverse accounts.
  • Collaborated with Turbine Sales, Parts, Repair, and Service teams to develop holistic customer strategies.
  • Guided internal stakeholders and cross-functional deal teams through complex contract negotiations.
  • Participated in sales forecasting, planning, and goal setting for Service Sales.
  • Produced persuasive proposal materials.
  • Represented Vestas at trade shows and industry events, gathering competitive intelligence to inform strategy.
  • Mentored junior sales professionals and fostered a culture of continuous learning, collaboration, and commercial accountability.

Vestas

Service Sales Manager
08.2020 - 03.2023

Job overview

Led regional service sales and business development across diverse international markets (Europe, Africa, and Caribbean Islands). Drove commercial strategy and execution for onshore wind projects, aligning with regional KPIs and corporate performance metrics while contributing to a robust pipeline of long-term service contracts.

  • Directed the full sales lifecycle, including forecasting, CRM management, and proposal development (RFI/RFP/RFQ).
  • Held revenue accountability for key service streams: maintenance contracts, pre-owned turbines, renewals, recaptures, multi-brand, parts, repairs, and upgrades.
  • Developed strategic business and economic development plans to enhance competitiveness and market penetration.
  • Negotiated complex service agreements, managing financial and operational risk while ensuring alignment with Vestas’ commercial objectives.
  • Conducted market segmentation and competitive analysis to tailor offerings and identify growth opportunities.
  • Built and maintained long-term customer relationships, aligning service solutions with evolving business needs.
  • Developed and executed customer engagement strategies and positioned service products to maximize market value.
  • Provided strategic guidance to regional sales teams and supported leadership in aligning commercial goals with operational capabilities.
  • Trained commercial teams and led diversity initiatives as Chair of the Employee Equity Committee.
  • Supported the alignment of short-term sales goals with long-term service business vision.

Eaton Electrical

Key Accounts Manager
08.2014 - 07.2020

Job overview

Led strategic account management, technical sales, and business development initiatives for high-value clients across the energy, industrial, mining, utilities, and infrastructure sectors. Served as the primary commercial interface between Eaton and key accounts, driving revenue growth, customer satisfaction, and long-term partnership value.

  • Managed a portfolio of strategic accounts, developing tailored, value-based solutions aligned with client objectives and Eaton’s commercial goals.
  • Executed account growth strategies, resulting in increased share of wallet, contract renewals, and multi-year service agreements.
  • Developed and implemented go-to-market strategies informed by market analysis, customer insights, and competitive benchmarking.
  • Delivered technical sales support, including solution engineering, product demonstrations, and pre-sales consultation to address complex customer requirements.
  • Led cross-functional collaboration with engineering, operations, and product teams to ensure seamless delivery of customized solutions.
  • Negotiated complex commercial agreements, balancing customer value with Eaton’s risk and profitability targets.
  • Conducted consultative selling and value-based presentations to demonstrate ROI and product fit.
  • Delivered quarterly business reviews and performance reports to executive stakeholders, ensuring transparency and alignment on KPIs.
  • Utilized CRM tools to manage pipeline, forecast revenue, and track customer engagement activities.
  • Represented Eaton at industry events, trade shows, and customer forums, strengthening brand presence and identifying new business opportunities.
  • Championed a customer-first culture, ensuring high levels of satisfaction, retention, and repeat business.
  • Provided voice-of-customer insights to internal teams to guide product development, pricing strategies, and service enhancements.
  • Supported marketing and sales enablement efforts through proposal development, competitive analysis, and technical documentation.
  • Contributed to strategic planning, sales forecasting, and pipeline development across assigned territories.

Eaton Electrical

Sales Engineer
08.2014 - 08.2015

Job overview

Delivered technical sales and business development support across industrial, energy, and infrastructure sectors.

  • Managed the full sales cycle, from prospecting and solution design to contract negotiation and post-sale support, while driving customer satisfaction and revenue growth.
  • Engineered tailored solutions based on customer requirements, collaborating with internal technical teams to ensure delivery excellence.
  • Conducted consultative selling and value-based presentations to demonstrate ROI and product fit.
    Developed client quotations, negotiated contract terms, and closed deals aligned with profitability targets.
  • Maintained CRM records (Salesforce) to track pipeline, customer interactions, and market intelligence.
    Supported marketing efforts through trade show participation and technical demonstrations.
  • Provided pre-sales technical assistance and post-sales support, ensuring long-term customer retention.
    Identified new market opportunities and contributed to strategic planning and forecasting.
  • Delivered reports and insights to leadership, supporting data-driven decision-making.

Education

MANCOSA

MBA from Business Administration And Management

Harvard Business School

Certificate from Leading With Finance

Wits Business School

Post Graduate Management Degree from Energy Leadership

MANCOSA

Post Graduate Degree from Business Management

University of Free State

Bachelor from Marketing And Communication Science

Skills

  • Strategic Business Development
  • Market & Competitive Analysis
  • Strategic Partnership Development
  • Commercial Strategy Execution
  • Strategic Pricing & Revenue Optimization
  • Sales Management & Forecasting
  • Customer Engagement & Retention
  • Contract Negotiation & Management
  • CRM & Pipeline Management
  • Cross-Functional Team Leadership
  • Stakeholder Engagement
  • Reporting
  • Leadership & Team Development
  • Analytical Decision Making
  • Budget Oversight & Financial Planning
  • Data-Driven Strategy Development
  • Project Management & Execution
  • Business Intelligence Tools (eg, Microsoft Office, Power BI, Salesforce)

Certification

  • Professional Team Leader Designation
  • Developing High Performance Teams


Languages

English

Interests

  • I like trying new recipes and food trends.
  • Volunteering for community initiatives to give back to local communities and make a positive impact.

Timeline

Senior Manager- Business Development

Vestas
04.2023 - Current

Service Sales Manager

Vestas
08.2020 - 03.2023

Key Accounts Manager

Eaton Electrical
08.2014 - 07.2020

Sales Engineer

Eaton Electrical
08.2014 - 08.2015

MANCOSA

MBA from Business Administration And Management

Harvard Business School

Certificate from Leading With Finance

Wits Business School

Post Graduate Management Degree from Energy Leadership

MANCOSA

Post Graduate Degree from Business Management

University of Free State

Bachelor from Marketing And Communication Science
Ashwell NdewereSenior Manager Sales/Business Development
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