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Senior Executive Assistant & Admin Leader, 20+ yrs Experience

Location:
Oceanside, CA
Posted:
March 31, 2026

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Resume:

Dianne H. Millsap

******.*.*******@*****.***

Cell: 714-***-****

Oceanside, CA 92056

— DELIVERING CRITICAL ADMIN SUPPORT TO C-LEVEL EXECUTIVES IN DIVERSIFIED INDUSTRIES —

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Corporate Executive Admin International Background Former U.S. Embassy Administrator (Foreign Service) SENIOR EXECUTIVE ASSISTANT

Business-savvy EXECUTIVE ADMINISTRATOR & BUSINESS WRITER offering 20+ years of expertise supporting business leaders and managing executive offices for Chief Executive Officers, Company Presidents, and high-level Business Owners in diversified corporate industries. During my Federal career, I assisted U.S. Ambassadors, Deputy Chiefs of Mission, Admin Counselors, and visiting Congressional delegations overseas via the Department of State in Washington DC. EXPERTISE OFFERED

§ Calendar Management / Scheduling § Travel Management (Domestic & Global) § Expense Report Management

§ Complex C-level Executive Support § Stakeholder Relations (Internal & External) § Multicultural Integration / Diversity

§ Time Management / Meeting Scheduling § Startup Operations / Team Player § International Customer Relations

§ Correspondence / Business Writing § MS Office Suite / Office 365 / Adobe CC § Email Marketing / Data Entry / CRM

§ Vendor & Project Management § Contract Management / Negotiations § Budget Management / Resource Planning PROFESSIONAL EXPERIENCE

SENIOR EXECUTIVE ASSISTANT BUSINESS WRITER WRITING CONSULTANT — Executive Resume LLC, Oceanside – CA (1996–Present) Certified Professional Resume Writer (CPRW) Nationally Certified Online Profile Expert (NCOPE) Job & Career Transition Coach (JCTC) Virtual Executive Assistant: Provide high-level virtual administrative support to Presidents, CEOs, and senior executives across diverse industries—recognized for delivering seamless executive assistance with a focus on professionalism, discretion, and efficiency. Trusted by long-term client Becker Construction’s CEO for over a decade, providing consistent, high-level executive support that enhances productivity, scheduling efficiency, and operational continuity. Manage complex calendars, schedule executive meetings and board-level engagements, prepare executive communications and confidential correspondence, and coordinate domestic and international travel, including itineraries, logistics, and expense reporting. Serve as the primary liaison to vendors, clients, and stakeholders, ensuring timely follow-through on all action items. Writing Consultant: Deliver strategic resume writing, LinkedIn branding, and career marketing services to corporate executives, federal job seekers, and transitioning military personnel. Personally craft high-impact career documents and digital profiles showcasing each client’s value, leadership, and achievements. Provide one-on-one career coaching and job search strategy guidance—helping clients navigate career transitions, optimize their marketability, and position themselves for success in today’s competitive job market. EXECUTIVE ASSISTANT to CEO/Founder — Helix Electric, Inc., San Diego – CA (1991–1996) Served as the trusted gatekeeper and primary liaison to the CEO of a fast-paced, 2,500+ employee organization—managing the CEO’s time, priorities, and communications with the highest level of discretion and professionalism. Oversaw all executive office operations, including complex calendar management, meeting coordination, business operations, and expense reconciliation. Handled all high-net-worth corporate and personal matters with absolute confidentiality and sound judgment. Managed domestic and international travel for the CEO and family, including private aviation scheduling and pilot coordination. Planned and executed corporate events, including company-wide holiday parties and summer picnics. Directed exclusive CEO engagements through the Young Presidents’ Organization (YPO)—notably organizing a week-long ski trip to Vail, Colorado, for 25 YPO members and spouses, providing on-site administrative support throughout the event. EXECUTIVE ASSISTANT to Admin Counselors & U.S. Ambassadors — American Embassy, Colombo – Sri Lanka (Early Career) Maintained high-level security clearance to run the Office of Administration under the general guidance of the Admin Counselor. Provided administrative support for US Ambassadors and other diplomats, including complex calendar, travel, & correspondence management. Recruited, trained, and mentored support staff. Coordinated visiting Congressional delegation visits with Regional Security Officers, Foreign Ministers, and law enforcement officers.

— Ambassadors Deputy Chiefs of Mission Administrative Counselors Congressmen Foreign Dignitaries — Computer System Management Training (State Department/WashDC & AmEmbassy Paris)



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