Cephas M.

Key Skills

Software

Scale AI

Appen

Telus

CVAT

Labelbox

LabelImg

Clickworker

Top Subject Matter

Machine learning model training datasets (image, text, video)

Natural language processing (NLP) annotation for training/validation

AI application datasets (general categorization/labeling)

Top Data Types

Image

Text

Document

Top Task Types

Segmentation

Entity (NER) Classification

Classification

Bounding Box

Cuboid

Freelancer Overview

Data Annotation Specialist at Scale AI. Core strengths include Scale AI, Appen, and N. Education includes Bachelor of Science, University of California, Berkeley (2020) and High School Diploma, Lincoln High School (2015). AI-training focus includes data types such as Image, Text, and Document and labeling workflows including Segmentation, Entity (NER) Classification, and Classification.

Labeling Experience

Data Annotation Specialist

Scale AIImageSegmentation

As a Data Annotation Specialist at Scale AI, I worked on annotating image, text, and video datasets for machine learning projects. My contributions included segmentation and classification tasks to improve AI model accuracy. I collaborated with QA teams to ensure the highest standard of data quality. • Annotated large volumes of images, text, and video content • Performed segmentation and classification labeling tasks • Reviewed and corrected dataset inconsistencies • Worked closely with other annotators and quality assurance teams

2023 - Present

AI Data Labeling Assistant

AppenTextEntity (NER) Classification

As an AI Data Labeling Assistant at Appen, I performed text and speech annotation for NLP model development. I maintained high annotation targets and ensured that quality standards were met. I assisted in training new annotators and conducted validation of annotated data. • Labeled text for entity recognition and classification tasks • Annotated speech data for natural language processing • Assisted with the onboarding process for new annotators • Reviewed, validated, and corrected annotated datasets

2021 - 2023

Data Entry & Annotation Intern

TelusDocumentClassification

During my internship at TELUS International, I labeled and categorized image datasets for various AI applications. I organized digital records and prepared reports related to the annotation process. I also supported quality assurance efforts to maintain data reliability. • Provided image classification and labeling support for AI projects • Categorized data to meet specific annotation guidelines • Assisted in report preparation and documentation • Helped conduct QA checks on assigned datasets

2020 - 2020

Education

Work History