Mary Walko
Proposal Administrator
Mary is an accomplished Proposal Management and Business Development professional with more than 20 years of experience leading complex government, commercial, and international proposal efforts across diverse industries, including technology, retail, energy, healthcare, federal contracting, and cultural resources consulting. She has a proven ability to manage the full proposal lifecycle, from opportunity assessment and kickoff through strategy development, writing, compliance reviews, production, and final submission. Her experience includes managing multimillion-dollar pursuits and coordinating geographically dispersed, cross-functional teams to deliver compelling, customer-focused proposals that support organizational growth.
Mary combines strong project management and communication skills with strategic thinking, process improvement, and creative problem-solving. She has extensive experience developing proposal strategies, building content libraries and standardized processes, mentoring teams, and partnering with executive leadership, sales professionals, technical subject matter experts, and subcontractors. She is also adept at leveraging technology and emerging AI tools to improve proposal efficiency, streamline workflows, and strengthen the quality and effectiveness of business development efforts.
Professional Highlights
Helped Establish the First Global Proposal Center: Served as a key member and major contributor to the team responsible for developing and establishing the first centralized proposal center for a large global corporation, helping shape proposal processes, infrastructure, and standardized sales support practices that strengthened proposal development across the organization.
Led Multimillion-Dollar Strategic Pursuits: Managed complex, high-value proposals for globally recognized organizations, including Walmart, Target, Home Depot, T-Mobile, Costco, McDonald's, and major government and public-sector clients.
Managed More Than 2,000 Pursuits: Coordinated over 2,000 proposal opportunities in three years at a large consulting company, representing $54.4 million in potential revenue across domestic and international markets.
Transformed Proposal Efficiency and Sales Support: Reduced sales representatives' proposal workload by 50% through independently researching and developing responses to more than half of customer RFP and RFI questions without requiring subject matter expert assistance.
ERG Ethos
"I welcome the opportunity to bring my experience, dedication, and collaborative approach to ERG whose mission and values reflect the principles that have guided my career."
Off-the-Clock Pursuits
Spending time with family.
Enjoying my new fur baby, Kooper.
