Mark Williams-Sierra Email & Phone Number

Leverkusen, North Rhine-Westphalia, De

- 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, 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

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.

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.

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

- 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.

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

- 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.

Master Of Business Administration - Mba, Business Administration And Management, General

Bachelor Of Arts (B.A.), International Relations And Affairs

Exchange Certificate