Mark Williams-Sierra

Mark Williams-Sierra Email and Phone Number

University of Virginia Darden School of Business MBA, Class of 2024 I Consortium Fellow @ Bayer
Mark Williams-Sierra's Location
New York City Metropolitan Area, United States, United States
About Mark Williams-Sierra

Multi-lingual Latino education leader, currently serving low-income high school students as a college counselor, AP Spanish teacher and Lead educator. Strives to achieve and exceed professional and personal goals through diverse educational and professional experiences.

Mark Williams-Sierra's Current Company Details
Bayer

Bayer

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University of Virginia Darden School of Business MBA, Class of 2024 I Consortium Fellow
Mark Williams-Sierra Work Experience Details
  • Bayer
    Associate Brand Manager
    Bayer Aug 2024 - Present
    Leverkusen, North Rhine-Westphalia, De
  • Spicy Caribbee
    Director Of Ecommerce Operations And Marketing
    Spicy Caribbee Aug 2020 - Sep 2024
    - Designed and implemented e-commerce strategy, increasing online sales by 200% and mitigating pandemic losses- Managed website re-branding/relaunch and instituted customer feedback loop, resulting in 100% customer satisfaction- Managed systems audit and revamp, including new inventory management system and point of sale technology
  • Boston Consulting Group (Bcg)
    Summer Consultant
    Boston Consulting Group (Bcg) Jun 2023 - Aug 2023
    Boston, Massachusetts, Us
    - Co-developed data governance model for client invoice data- Collaborated with cross-functional teams to document and visualize 15 workflows, facilitating transparency and efficiencies- Managed project dashboards, guiding informed decision-making- Supported technical solution launch of invoice processing system ensuring smooth integration with little disruption to client
  • Noble Schools
    College Counselor And Lead Teacher
    Noble Schools Aug 2017 - Jul 2022
    Chicago, Il, Us
    - Led a team of 15 educators, strategically designing and implementing grade-level academic programs that improved teaching methodologies and student outcomes- Managed and allocate a staff of over 90 individuals during the over 22 school-wide testing events each year- Advised and managed a caseload of 60 students planned and presented classes, seminars, workshops on personal development and college planning.- Lead teachers in the development and implementation of interventions to improve school attendance - Provided academic counseling and planning services to a diverse student population including: IEP students, ESL students, first generation college student, and students of low socio-economic status.- Developed a training curriculum and conducted training for teaching professionals in administering a variety of standardized achievement tests- Directed college counseling and access for undocumented students as DREAMer liaison- Collaborated with a small team of three counselors to analyze college acceptance and college persistence data to better inform our counseling- Refined anti-racist redesigns of the student code of conduct, dress code and Noble core values as a member of the Staff Experience Steering Committee.
  • Noble Schools
    Assistant Dean Of Culture
    Noble Schools Mar 2015 - Aug 2017
    Chicago, Il, Us
    -Administer disciplinary procedures in accordance with network policies and state law.-Respond and resolve parent, student and staff concerns and complaints.-Investigate instances of student misconduct and utilize findings to administer disciplinary consequences. -Serve on discipline or expulsion panels as selected.-Contribute to the development, implementation and evaluation of intervention programs that address the needs of at-risk students.-Supervise students before, during and after school, instruct student in appropriate behavior and discipline students according to established guidelines.-Receive referrals and confer with student, teachers, parents and law enforcement.
  • Noble Schools
    Teacher-At-Large
    Noble Schools Jul 2014 - Mar 2015
    Chicago, Il, Us
    -Helped run and maintain academic support programs for a student body of over 900 students.-Conducted over 100 hours of after school homework sessions.-Substituted teachers in various fields ranging from 9th grade composition to 12th grade physics. -Translated various meetings in English and Spanish
  • The George Washington University - Elliott School Of International Affairs
    Front Desk Assistant
    The George Washington University - Elliott School Of International Affairs Mar 2011 - May 2014
    - Handled large inflow of student queries and concerns through telephone, email, and face-to-face interactions. - Troubleshot efficiency problems in the operation of administrative duties and assisted in the improvement of front desk staff performance.- Managed 12 academic advisor’s calendars by scheduling appointments and events.- Utilized physical and electronic content management systems to administrate all Elliott School of International Affairs student files.
  • The United Nations Office On Drugs And Crime
    Research Assistant
    The United Nations Office On Drugs And Crime May 2013 - Jul 2013
    Vienna, At
    - Worked with the head of the research unit of UNODC West and Central Africa Regional Headquarters on researching West African drug trafficking trends to help develop the threat assessment reports on Guinea-Conakry. - Interviewed 2 high-level and low-level imprisoned drug traffickers who were involved in smuggling and distributing cocaine, originating from South America, through West Africa. - Synthesized interviews and government documents into a report regarding criminal organizations and their relation to politics in Guinea for the United States and Canada.- Responsible for researching and writing the UNODC West and Central Africa weekly newsletter in both English and French, which went out to over 5,000 recipients, including every embassy in the region.
  • Us Congress
    Congressional Intern
    Us Congress Jun 2012 - Jul 2012
    Us
    - Researched FAA policies, which contributed to the privatization of the Luis Muños Marin International Airport in 2013.- Attended over five congressional hearings and wrote memorandums for Congressional Staff. - Supported office staff members in hosting high-profile visitors such as the Governor of P.R. and the Police Commissioner of Puerto Rico.- Led approximately 40 tours of congressional buildings and the Capitol for constituents and school groups of between five and 50 people.

Mark Williams-Sierra Education Details

  • University Of Virginia Darden School Of Business
    University Of Virginia Darden School Of Business
    General
  • The George Washington University
    The George Washington University
    International Relations And Affairs
  • Sciences Po
    Sciences Po
    Exchange Certificate

Frequently Asked Questions about Mark Williams-Sierra

What company does Mark Williams-Sierra work for?

Mark Williams-Sierra works for Bayer

What is Mark Williams-Sierra's role at the current company?

Mark Williams-Sierra's current role is University of Virginia Darden School of Business MBA, Class of 2024 I Consortium Fellow.

What schools did Mark Williams-Sierra attend?

Mark Williams-Sierra attended University Of Virginia Darden School Of Business, The George Washington University, Sciences Po.

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