Elena Missio AI Trainer and Multilingual Content Specialist

AI Red-Teamer (Italian) / Generalist (Spanish) [Contract]

Mercor

Feb 2026 - Current (4 months)

Red team conversational AI models and agents: jailbreaks, prompt injections, misuse cases, bias exploitation, multi-turn manipulation.

AI Trainer

Stellar AI

Nov 2024 - Oct 2025 (1 year)

Contributed to projects focused on instructional tasks for AI models, creating task examples covering logical reasoning, stepwise problem-solving, web navigation, image interpretation, and mobile tool usage.

AI Trainer, Reviewer and QC auditor

Scale AI

May 2024 - Current (2 years 1 month)

Execute AI training workflows, including response evaluation for linguistic quality, relevance, factual accuracy, and safety, prompt engineering, response rewriting, rubric creation, and other specialized projects such as image-related annotation, machine translation refinement, and safety-related evaluations, primarily for Italian and Swiss Italian. Trusted reviewer on multiple projects, ensuring high-quality standards through systematic peer review and support to contributors via online collaboration tools. Promoted to QC, executing quality control and validation processes for Italian and Swiss Italian pipelines, serving as the final checkpoint to ensure the delivery of high-quality data. Perform annotation validation, model evaluation,

Advanced AI Data Trainer

Invisible Technologies

May 2024 - Current (2 years 1 month)

Collaborated on various RLHF projects through complex prompt creation and response enhancement. Evaluated and refined AI model outputs in audio modalities in Italian, Spanish, and English, assessing response quality, conversational performance, and safety compliance.

Senior Accounts Receivable Accountant

CKH Group

Jan 2024 - Apr 2024 (4 months)

Overseeing and harmonizing all facets of the AR process for the Italian market for an external client of the company, successful implementation of SOX control, and a new credit control procedure, weekly reporting of aged debt, and progress towards monthly targets. Daily responsibilities included cash allocation, reconciliations in SAP, communication with clients, execution of dunning procedures, and dispute resolution.

Team Leader for UK and Ireland Accounts Receivable

IBM

May 2017 - Dec 2023 (6 years 8 months)

Applying the agile practices, led a squad of 5 to 10 members working in Collection, Cash Administration, Invoicing, B2B, and Customer Support Online. The main goal is collection-related: to drive the squad to achieve the squad, team, and Uk & Ireland Market AR targets (Total collection, coll%, and aging), support from the AR side to achieve the UKI DSO. Other tasks included: KPI reviews, MBV planning, HHRR hiring process, Audit Support, Acquisition & Integration, Accounting reconciliation support, Prelegal Activities, Process Improvement.

Accounts Receivable Team Leader for CEE countries

IBM

Oct 2016 - Jun 2017 (9 months)

Managed a multicultural team of 12 professionals covering collection activities for over 40 Central and Eastern European countries. Oversaw operational performance, reported on key metrics, supported organizational changes, trained newcomers, managed workloads, maintained process documentation, and ensured compliance with regulatory requirements.

Accounts Receivable Team Coordinator

IBM

Oct 2012 - Sep 2016 (4 years)

Served as primary point of contact for escalations and process-related issues. Conducted reviews with country managers for top-priority cases, supported collectors in prioritizing workloads effectively. Worked on the pre-legal process improvement to improve the selection of delinquent customers, and put in place effective measures to reduce the delay in payments. • Leveraged translation skills to ensure accurate and timely dissemination of guidelines and process instructions from English to Italian, facilitating seamless understanding and adoption by Italian-speaking team members and stakeholders.

Accounts Receivable Analyst

IBM

Apr 2008 - Oct 2012 (4 years 7 months)

Responsible for the accounts receivable and credit management of a portfolio of clients of IBM Italy Trade and IBM Italy Global Financing. Days sales outstanding analysis, cash-in forecasts and credit risk analysis. Credit control, credit checks and cash administration activities. Monthly/quarterly close and reconciliation of sales ledger accounts. Customer aging reports, bad debt analysis and write-offs. Monitoring and correction of billing issues on customer accounts, disputes resolution and pre-litigation management.

Customer Care and Order Management Specialist

Yodeyma Parfums

Sep 2007 - Dec 2007 (4 months)

Managed order-taking, telemarketing campaigns, and customer care operations for the Italian and Spanish markets via email and phone. Handled logistical incidents and coordinated with delivery companies to ensure efficient and timely deliveries.

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Web Content and Community Manager

NewIps

Feb 2007 - Jun 2007 (5 months)

Oversaw web content and online communities, producing engaging content, performing keyword research for SEO and marketing campaigns, ensuring all published content was compliant with safety requirements, and delivering user support across the company’s web presence (forums and classified ads). • Managed multilingual web content initiatives, including the translation of web content from English to Italian and Spanish to broaden audience reach and engagement.

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