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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>My Portfolio</title>
<link rel="stylesheet" href="style.css" />
<link rel="stylesheet" href="mediaqueries.css" />
</head>
<body>
<nav id="desktop-nav">
<div class="logo">Avi Tewari</div>
<div>
<ul class="nav-links">
<li><a href="#about">About</a></li>
<li><a href="#certifications">Certifications</a></li>
<li><a href="#experience">Experience</a></li>
<li><a href="#publication">Publication</a></li>
<li><a href="#projects">Projects</a></li>
<li><a href="#contact">Contact</a></li>
</ul>
</div>
</nav>
<nav id="hamburger-nav">
<div class="logo">Avi Tewari</div>
<div class="hamburger-menu">
<div class="hamburger-icon" onclick="toggleMenu()">
<span></span>
<span></span>
<span></span>
</div>
<div class="menu-links">
<li><a href="#about" onclick="toggleMenu()">About</a></li>
<li><a href="#certifications" onclick="toggleMenu()">Certifications</a></li>
<li><a href="#experience" onclick="toggleMenu()">Experience</a></li>
<li><a href="#publication" onclick="toggleMenu()">Publication</a></li>
<li><a href="#projects" onclick="toggleMenu()">Projects</a></li>
<li><a href="#contact" onclick="toggleMenu()">Contact</a></li>
</div>
</div>
</nav>
<section id="profile">
<div class="section__pic-container">
<img src="https://github.com/AviTewari/My-Portfolio/blob/main/assets/about_pic.png?raw=true" alt="Avi Tewari profile picture" />
</div>
<div class="section__text">
<p class="section__text__p1">Hello, I'm</p>
<h1 class="title">Avi Tewari</h1>
<p class="section__text__p2">Data Scientist/ Analyst/ Machine Learning Engineer</p>
<div class="section__text__p3">
<h3>About Me</h3>
<ul>
<li>Innovative Data Scientist with expertise in developing and fine-tuning LLMs, enhancing classification accuracy by 15%, and optimizing CNN architectures for superior image analysis.</li>
<li>Proven Leader in AI Research at UCI, driving real-time LLM deployments and achieving a 73% success rate in classifying educational behaviors.</li>
<li>Proven track record in completing high-impact projects and publishing influential research papers.</li>
<li>Certified AWS Solution Architect and Tableau Specialist, skilled in creating efficient, scalable solutions across cloud platforms and big data environments.</li>
</ul>
</div>
<div class="btn-container">
<button class="btn btn-color-1" onclick="location.href='./#contact'">
Contact Info
</button>
</div>
<div id="socials-container">
<img
src="./assets/linkedin.png"
alt="My LinkedIn profile"
class="icon"
onclick="location.href='https://www.linkedin.com/in/avi-tewari/'"
/>
<img
src="./assets/github.png"
alt="My Github profile"
class="icon"
onclick="location.href='https://github.com/AviTewari'"
/>
</div>
</div>
</section>
<section id="about">
<p class="section__text__p1">Get To Know More</p>
<h1 class="title">About Me<br><br><br><br><br><br></h1>
<div class="section-container">
<div class="section__pic-container">
<img
src="https://github.com/AviTewari/My-Portfolio/blob/main/assets/streetview.png?raw=true"
alt="Profile picture"
class="about-pic"
/>
</div>
<div class="about-details-container">
<div class="about-containers">
<div class="details-container">
<h3>Education</h3>
<ul>
<li><span class="degree">Masters in Data Science @ <b>University of California, Irvine</b></span>
<span class="time-period">2023 - Present</span></li>
<li><span class="degree">B.Tech Computer Science and Engineering @ <b>SRM University, India</b></span>
<span class="time-period">2019 - 2023</span></li>
</ul>
</div>
</div>
<div class="text-container">
<h3>Work Experience</h3>
<ul>
<li>
<span class="job-title"><b>LLM Engineer Apprenticeship @ Humma AI | Irvine</b></span>
<span class="time-period"><i>(Sept. 2024 - Present)</i></span>
<ul>
<li>Engineered a backend for an empathetic chatbot web app using AWS Bedrock, enabling the collection of 255 stories from volunteers on chatbot bias and discrimination through real-time user input and stored them in S3 bucket</li>
<li>Fine-tuned LLaMA 3.1 model on GPU-backed AWS EC2 instances, improving bias mitigation by 5% and enhancing AI empathy through techniques like LoRA</li>
<li>Implemented advanced NLP techniques such as sentiment analysis and fairness metrics to evaluate and optimize chatbot responses, reducing biased interactions by 20% and boosting user satisfaction by 30%</li>
</ul>
</li>
<li>
<span class="job-title"><b>Data Analyst @ UCI Olivares Lab | Irvine</b></span>
<span class="time-period"><i>(Sept. 2024 - Present)</i></span>
<ul>
<li>Collected and cleaned 35 datasets on PFAS pollutant levels and environmental factors (wildfires, air pollution, wastewater) across California using Python (Pandas) and SQL, integrating them into a unified dataset</li>
<li>Applied advanced data analytics techniques (regression analysis, correlation, clustering, time series forecasting) to uncover trends in how natural disasters affect PFAS levels</li>
<li>Presented KPIs through an interactive Tableau dashboard, communicating insights to both technical and non-technical stakeholders</li>
</ul>
</li>
<li>
<span class="job-title"><b>Machine learning Researcher @ UCI School Of Education | Irvine</b></span>
<span class="time-period"><i>(Jun. 2024 - Sept. 2024)</i></span>
<ul>
<li>Enhanced data preprocessing (tokenization, lemmatization, stop-word removal) and feature extraction (TF-IDF, word embeddings), improving classification accuracy of collaborative and cognitive behaviors in classroom interactions by 15%.</li>
<li>Applied statistical data analysis and clustering techniques using Python (Pandas, NumPy, Scikit-learn) to analyze large datasets, uncovering patterns to optimize classroom management strategies</li>
<li>Built an interactive Tableau dashboard for data visualization, highlighting behavior patterns, topic frequency, and interaction intensity to improve understanding of classroom dynamics</li>
<li>Developed and fine-tuned Large Language Models (LLMs) including BERT and GPT using the Hugging Face API for classifying student-teacher interactions, achieving an accuracy of 73% in identifying collaborative and cognitive behaviors.</li>
<li>Architected APIs for real-time model deployment of BERT and GPT models into monitoring systems, enabling automated analysis of classroom interactions.</li>
</ul>
</li>
<li>
<span class="job-title"><b>Data Science Intern @ Expand AI | India</b></span>
<span class="time-period"><i>(Nov. 2021 - Feb. 2022)</i></span>
<ul>
<li>Processed and analyzed a dataset of 32,000 images using OpenCV and Scikit-learn to enhance image quality and standardize resolution, ensuring high quality inputs for Deep Learning models.</li>
<li>Constructed a Convolutional Neural Network (CNN) using TensorFlow, improving data labeling accuracy by 21% by optimizing hyper-parameters such as learning rate, batch size, and dropout rate.</li>
<li>Established CI/CD pipelines using Jenkins to streamline the deployment process for the ML model, reducing deployment time by 30%.</li>
</ul>
</li>
<li>
<span class="job-title"><b>Data Science Intern @ LTIMindtree | India</b></span>
<span class="time-period"><i>(Aug. 2021 - Sept. 2021)</i></span>
<ul>
<li>Directed data collection by web scraping images from diverse online sources to develop an Image Analysis System on Microsoft Azure using Custom Vision, achieving a 40% reduction in verification time for adherence to organizational dress code policies.</li>
<li>Implemented ETL workflow for data extraction, deduplication, and database loading on a dataset of 5000 customer complaints, and executed exploratory data analysis (EDA) using text mining (Bag of Words and Tokenization) to derive insights.</li>
<li>Formulated a Named Entity Recognition (NER) system using NLTK and spaCy to streamline complaint classification, facilitating routing to the appropriate department and reducing response time for handling customer feedback by 30%.</li>
<li>Leveraged GitHub Actions to create a CI/CD workflow for automating the testing and deployment of the NER system.<br></li>
</li>
</ul>
</div>
</div>
</div>
<img
src="./assets/arrow.png"
alt="Arrow icon"
class="icon arrow"
onclick="location.href='./#certifications'"
/>
</section>
<!-- CERTIFICATIONS SECTION -->
<section id="certifications">
<h2 class="title"><br><br><br><br><br><br>  Certifications</h2>
<div class="certifications-container">
<div class="certification">
<h3>AWS Solutions Architect - Associate</h3>
<img src="https://github.com/AviTewari/My-Portfolio/blob/main/assets/aws-certified-solutions-architect-associate.png?raw=true"
alt="AWS Certification"
style="cursor: pointer;"
onclick="location.href='https://www.credly.com/badges/921dc6b9-4850-451f-aed6-f4e254114b42/public_url'"
/>
</div>
<div class="certification">
<h3>Tableau Desktop Specialist</h3>
<img src="https://github.com/AviTewari/My-Portfolio/blob/main/assets/tableau-desktop-specialist.png?raw=true"
alt="Tableau Certification"
style="cursor: pointer;"
onclick="location.href='https://www.credly.com/badges/41405e26-f34c-493e-9cd7-6321c4988c2e/public_url'"
/>
</div>
</div>
<img
src="./assets/arrow.png"
alt="Arrow icon"
class="icon arrow"
onclick="location.href='./#experience'"
/>
</section>
<section id="experience">
<p class="section__text__p1"><br><br><br><br><br><br><br><br><br>Explore My</p>
<h1 class="title">Experience</h1>
<div class="experience-details-container">
<div class="about-containers">
<div class="details-container">
<h2 class="experience-sub-title">Programming Languages</h2>
<div class="article-container">
<article>
<img
src="./assets/checkmark.png"
alt="Experience icon"
class="icon"
/>
<div>
<h3>Python </h3>
<p>Experienced</p>
</div>
</article>
<article>
<img
src="./assets/checkmark.png"
alt="Experience icon"
class="icon"
/>
<div>
<h3>SQL </h3>
<p>Experienced</p>
</div>
</article>
<article>
<img
src="./assets/checkmark.png"
alt="Experience icon"
class="icon"
/>
<div>
<h3>R </h3>
<p>Intermediate</p>
</div>
</article>
<article>
<img
src="./assets/checkmark.png"
alt="Experience icon"
class="icon"
/>
<div>
<h3>PySpark </h3>
<p>Intermediate</p>
</div>
</article>
</div>
</div>
<div class="details-container">
<h2 class="experience-sub-title">Big Dataframeworks</h2>
<div class="article-container">
<article>
<img
src="./assets/checkmark.png"
alt="Experience icon"
class="icon"
/>
<div>
<h3>Apache Spark</h3>
<p>Intermediate</p>
</div>
</article>
<article>
<img
src="./assets/checkmark.png"
alt="Experience icon"
class="icon"
/>
<div>
<h3>AWS(S3,EMR) </h3>
<p>Experienced</p>
</div>
</article>
<article>
<img
src="./assets/checkmark.png"
alt="Experience icon"
class="icon"
/>
<div>
<h3>Apache Kafka</h3>
<p>Intermediate</p>
</div>
</article>
<article>
<img
src="./assets/checkmark.png"
alt="Experience icon"
class="icon"
/>
<div>
<h3>Hadoop </h3>
<p>Intermediate</p>
</div>
</article>
</div>
</div>
<div class="details-container">
<h2 class="experience-sub-title">Data Science and Analysis</h2>
<div class="article-container">
<article>
<img
src="./assets/checkmark.png"
alt="Experience icon"
class="icon"
/>
<div>
<h3>Data Mining</h3>
<p>Experienced</p>
</div>
</article>
<article>
<img
src="./assets/checkmark.png"
alt="Experience icon"
class="icon"
/>
<div>
<h3>Deep Learning</h3>
<p>Experienced</p>
</div>
</article>
<article>
<img
src="./assets/checkmark.png"
alt="Experience icon"
class="icon"
/>
<div>
<h3>Web Mining</h3>
<p>Experienced</p>
</div>
</article>
<article>
<img
src="./assets/checkmark.png"
alt="Experience icon"
class="icon"
/>
<div>
<h3>Stats Analysis</h3>
<p>Intermediate</p>
</div>
</article>
</div>
</div>
<div class="details-container">
<h2 class="experience-sub-title">Softwares</h2>
<div class="article-container">
<article>
<img
src="./assets/checkmark.png"
alt="Experience icon"
class="icon"
/>
<div>
<h3>MS Excel </h3>
<p>Experienced</p>
</div>
</article>
<article>
<img
src="./assets/checkmark.png"
alt="Experience icon"
class="icon"
/>
<div>
<h3>Tableau </h3>
<p>Intermediate</p>
</div>
</article>
<article>
<img
src="./assets/checkmark.png"
alt="Experience icon"
class="icon"
/>
<div>
<h3>RStudio </h3>
<p>Experienced</p>
</div>
</article>
<article>
<img
src="./assets/checkmark.png"
alt="Experience icon"
class="icon"
/>
<div>
<h3>Power BI </h3>
<p>Intermediate</p>
</div>
</article>
</div>
</div>
</div>
</div>
<img
src="./assets/arrow.png"
alt="Arrow icon"
class="icon arrow"
onclick="location.href='./#publication'"
/>
</section>
<section id="publication">
<p class="section__text__p1"><br><br><br><br><br><br><br><br>Explore My</p>
<h1 class="title">Publications</h1>
<div class="publication-details-container">
<div class="about-containers">
<div class="details-container">
<h2 class="experience-sub-title">Research Papers</h2>
<div class="article-container">
<article class="publication">
<div>
<h3>Engagement in Video Graphic Online Learning Using the Emotional Dimensions in the Learning Context
</h3>
<p> <a href="https://ieeexplore.ieee.org/document/10080769" target="_blank">Published in IEEE, 2023</a></p>
</div>
</article>
</div>
</div>
</div>
</div>
<img
src="./assets/arrow.png"
alt="Arrow icon"
class="icon arrow"
onclick="location.href='./#projects'"
/>
</section>
<section id="projects">
<p class="section__text__p1">Browse My Recent</p>
<h1 class="title">Projects</h1>
<div class="experience-details-container">
<div class="about-containers">
<div class="details-container color-container">
<div class="article-container">
<img
src="./assets/project-1.png"
alt="Project 1"
class="project-img"
/>
</div>
<h2 class="experience-sub-title project-title">Knowledge Retrieval Assistant using LLM</h2>
<div class="btn-container">
<button
class="btn btn-color-2 project-btn"
onclick="location.href='https://github.com/AviTewari/Knowledge-Retrieval-Assistant-using-LLM'"
>
Github
</button>
</div>
</div>
<div class="details-container color-container">
<div class="article-container">
<img
src="./assets/Untitled.png"
alt="Project 2"
class="project-img"
/>
</div>
<h2 class="experience-sub-title project-title">PySpark FAISS Article Finder</h2>
<div class="btn-container">
<button
class="btn btn-color-2 project-btn"
onclick="location.href='https://github.com/01ritvik/Recommendation-system-using-pyspark'"
>
Github
</button>
</div>
</div>
<div class="details-container color-container">
<div class="article-container">
<img
src="./assets/p4.png"
alt="Project 3"
class="project-img"
/>
</div>
<h2 class="experience-sub-title project-title">Integrating LangChain with GPT</h2>
<div class="btn-container">
<button
class="btn btn-color-2 project-btn"
onclick="location.href='https://github.com/01ritvik/Integrating-LangChain-with-OpenAI-s-GPT-Model-in-Google-Colab'"
>
Github
</button>
</div>
</div>
<div class="details-container color-container">
<div class="article-container">
<img
src="./assets/p3.png"
alt="Project 4"
class="project-img"
/>
</div>
<h2 class="experience-sub-title project-title">TSP using ACO & Cheapest Link</h2>
<div class="btn-container">
<button
class="btn btn-color-2 project-btn"
onclick="location.href='https://github.com/01ritvik/TSP-evolved'"
>
Github
</button>
</div>
</div>
<div class="details-container color-container">
<div class="article-container">
<img src="./assets/p5.png"
alt="Project "
class="project-img" />
</div>
<h2 class="experience-sub-title project-title">Healthcare Analysis</h2>
<div class="btn-container">
<button class="btn btn-color-2 project-btn" onclick="location.href='https://github.com/01ritvik/Health-care-analysis'">
Github
</button>
</div>
</div>
</div>
</div>
<img
src="./assets/arrow.png"
alt="Arrow icon"
class="icon arrow"
onclick="location.href='./#contact'"
/>
</section>
<section id="contact">
<p class="section__text__p1">Get in Touch</p>
<h1 class="title">Contact Me</h1>
<div class="contact-info-upper-container">
<div class="contact-info-container">
<img
src="./assets/email.png"
alt="Email icon"
class="icon contact-icon email-icon"
/>
<p><a href="mailto:[email protected]">[email protected] </a></p>
</div>
<div class="contact-info-container">
<img
src="./assets/linkedin.png"
alt="LinkedIn icon"
class="icon contact-icon"
/>
<p><a href="https://www.linkedin.com/in/avi-tewari/">LinkedIn</a></p>
</div>
</div>
<img
src="./assets/arrow.png"
alt="Arrow icon"
class="icon arrow"
onclick="location.href='./#desktop-nav'"
/>
</section>
<footer>
<nav>
<div class="nav-links-container">
<ul class="nav-links">
<li><a href="#about">About</a></li>
<li><a href="#certifications">Certifications</a></li>
<li><a href="#experience">Experience</a></li>
<li><a href="#publication">Publication</a></li>
<li><a href="#projects">Projects</a></li>
<li><a href="#contact">Contact</a></li>
</ul>
</div>
</nav>
</footer>
<script src="script.js"></script>
</body>
</html>