Sandra Martinez
Sugar Land
Summary
Results-oriented professional with 10+ years of experience successfully supporting complex, deadline-driven operations while directly reporting to the CEO. Strategic thinker with the business acumen and apt critical thinking skills to make sound decisions using independent judgment. Facilitates effective leadership by managing day-to-day administrative and business functions, with efficient calendar and time management strategies, while balancing competing priorities. Team-oriented, with acute emotional intelligence, and works autonomously while prioritizing confidentiality.
Overview
16
16
years of professional experience
Work History
Executive Assistant to the Chief Executive Officer
Spotlight Energy
Houston
03.2025 - Current
- Serve as the CEO’s right-hand, anticipating needs, streamlining priorities, and enabling focus on high-impact initiatives
- Manage complex, multi-entity calendars, and executive-level communication with clarity and discretion
- Assess incoming meeting requests, invitations, and internal scheduling needs and prioritize based on strategic importance, executive availability, and urgency
- Draft and refine executive-level communications, presentations, and reports
- Coordinate leadership offsites, investor meetings, and strategic events
- Act as a culture carrier on behalf of the CEO’s office, promoting operational excellence and professionalism
- Synchronize priorities across departments, aligning executive schedules with organizational goals
- Maintain a macro view of company-wide calendars to prevent overlap and inefficiencies
- Facilitate knowledge transfer across functional groups and business units
Sr. Executive Assistant to Executive Vice President of Operations
Marathon Oil
Houston
12.2022 - 12.2024
- Develop processes for streamlining workflow among various departments within the organization by establishing effective communication channels
- Partner with the executive team to support ongoing strategic initiatives and projects by managing calendars and scheduling effective meetings
- Responsible for compiling and distributing weekly Operations Executive Report to C-Suite and other internal stakeholders with updates on environmental KPIs, Wells to Sales, production, operations summaries, and relevant performance data across assets
- Provide value-added support by forming strong partnerships with multiple internal stakeholders to liaise on behalf of senior leadership across teams, promoting communication and cross-functional team collaboration
- Anticipate and initiate appropriate actions to conserve executive’s time by managing schedule, access, screen and responding to routine and complex e-mails and correspondence.
- Developed corporate calendar of activities to create alignment and visibility between Corporate Planning & Forecasting, Operations, Investor Relations, and C-Suite executive leadership
- Arrange appropriate travel, visas, agendas, necessary contacts, and other information for executive travel
- Proactively schedule and maintain the cadence of internal meetings with direct reports and other key stakeholders, including coordination of pre-meeting materials and other deliverables
- Coordinate executive's daily calendar for optimal prioritization and time management
- Updated and implemented administrative and executive support policy changes and monitored effects
- Compiled meeting agendas and supportive materials ahead of meetings
- Coordinated preparation of all earnings-related materials on behalf of the executive
Executive Assistant to Chief Financial Officer & VP of Investor Relations
Talos Energy
Houston
08.2021 - 07.2022
- Prioritize executive calendar and coordinate a variety of meetings and appointments; serve as a liaison within the finance organization and across teams, promoting communication and collaboration
- Proactively manage competing requests, identify conflicts, and create plans for achieving objectives to support business needs
- Maintain ongoing communication and work closely with executives to meet upcoming commitments and responsibilities
- Arrange travel, itineraries, and agendas, compile meeting documents, and monitor executive's travel schedule; resolved of logistical issues
- Collaborate with other executive assistants and on meetings, schedules, and presentations as needed.
Executive Assistant to Chief Financial Officer
LyondellBasell
Houston
09.2019 - 06.2020
- Collaborated with key global executives and personnel in Europe offices for quarterly board and town hall meetings to ensure the communication of relevant topics, objectives, and strategy
- Maintained an accurate Investor Relations marketing database (IR Insight) to track and analyze IR effectiveness
- Scheduled internal and external meetings with executive officers, analysts, and the Wall Street community
Executive Assistant to Chief Executive Officer & President
Sanchez Oil & Gas
Houston
10.2012 - 09.2019
- Provided high-level, confidential business and personal support to CEO of Sanchez Energy Corporation
- Maintained and prioritized an active calendar of appointments and information requests on the CEO's behalf from various groups and stakeholders, including business partners, financial community, and the media
- Arranged extensive travel for corporate and external board meetings, speaking engagements, investor conferences, and roadshows, including air, and ground transportation, hotel, and itineraries
- Ensured CEO was adequately prepared with pertinent information and materials in advance of meetings and adhered to schedule
- Planned quarterly board meetings and routinely liaised with board members to coordinate availability and travel
- Functioned as the internal/external point of contact, screened and followed up on messages and voicemails
- Implemented procedure for CEO's timely approval for AFE's, invoices, wire transfers, and check requests while ensuring compliance with SEC requirements
- Reviewed legal documents before presenting for signature and drafted confidential executive correspondence
- Responsible for reconciling executive credit cards and company charges to capture all reimbursements
- Supervised private aviation for the executive suite and company, from scheduling company-owned aircraft to securing charters and utilizing aviation memberships to supplement aviation program
- Interviewed, trained, and mentored EA's on administrative procedures, policies, and performance standards
- Orchestrated events, including annual offsite analyst day (New York & Houston), bi-annual bank meetings, and annual company holiday party
- Corporate suite administrator for Texans & Formula 1, courtside seats (Rockets), and Diamond Club (Astros)
Executive Assistant to Chief Executive Officer & Chairman
W & T Offshore
Houston
02.2010 - 10.2012
- Handled all aspects of professional and personal endeavors for CEO & Chairman of the Board
- Managed heavy calendar, coordinated all domestic and international travel, vetted calls and media inquiries
- Organized and created itineraries for business trips, conferences, and road shows including air, ground, hotel
- Planned and attended Bank Meetings and Board of Directors meetings at offsite locations (Las Vegas & Beaver Creek)
- Responsible for all company travel on executive's private jet and company's fractional jet ownership and reconciled monthly aviation invoices to ensure proper accounting to company and executive
- Managed other details related to multiple private interests, investments, and partnerships in auto racing, film financing, aviation, residential properties, financial investments, and privately held onshore oil & gas company
Education
M.A - Organization Communication
University of Kansas
Lawrence, KS05.2026
B.A. - Management
Our Lady of the Lake University
San Antonio, TX01.2004
Skills
- Strategic leadership facilitator
- Culture carrier and steward
- Leadership communication strategies
- Administrative infrastructure architect
- Multi-entity calendar management
- Emotional intelligence and discernment
- Cross-functional collaborator
- Creating organizations through communication
- Stakeholder engagement and management
Timeline
Executive Assistant to the Chief Executive Officer
Spotlight Energy
03.2025 - Current
Sr. Executive Assistant to Executive Vice President of Operations
Marathon Oil
12.2022 - 12.2024
Executive Assistant to Chief Financial Officer & VP of Investor Relations
Talos Energy
08.2021 - 07.2022
Executive Assistant to Chief Financial Officer
LyondellBasell
09.2019 - 06.2020
Executive Assistant to Chief Executive Officer & President
Sanchez Oil & Gas
10.2012 - 09.2019
Executive Assistant to Chief Executive Officer & Chairman
W & T Offshore
02.2010 - 10.2012
M.A - Organization Communication
University of Kansas
B.A. - Management
Our Lady of the Lake University