Aftab K.

• Bring ML & NLP based capabilities to enhance and advance information extraction, classification and text comprehension through AI/ML, NLP and transformer language models. • Recruit, mentor, lead and direct a team of data scientist & ML/NLP engineers who focus on providing end to end solutions for all business units (BUs) of the Bank • Design proof-of-concepts (POCs) using ML/NLP solutions for new or existing enterprise problem • Perform Data & Requirements Evaluation, Model Assessment & Validation, Code Development & Testing, Model Deployment, Monitoring, Scaling & Re-training • Assign Agile tasks/stories to team members & ensure quality model/software development & deployment through daily Scrum & code reviews • Comprehensively document every model’s risk, bias, sensitivity analysis, performance & monitoring plan for Model Risk & AI Governance • Provide ML/NLP training & informational sessions to BU teams & senior leadership Technical Skills & Expertise • Proficient: Python, C, C++, Linux, TensorFlow/Keras, Pytorch, Scikit-Learn, Estimators (GLMs, SVM, NB, HMM, Tree/Graph based, K-NN), PCA/SVD, CNN, RNN, LSTMs/GRUs, tf-idtf, Word2Vec/GLOVE/Fastext, NLTK, SpaCy, Gensim, LDA/LSA, Seq2Seq, Transformers (BERT/GPT), Tools (Splunk, JIRA, Bitbucket) • Working knowledge: SparkML, Reinforcement Learning, ML on GCP & AWS, transfer learning (ImageNet, RESNET, VGG)

• Perform end to end ML/NLP service and product development to deliver production level ML/NLP models, deploying in-house or on cloud platforms (GCP/AWS) • Lead and direct technical team, providing SME support, assessing technical approach, database access, data cleaning, data analytics, feature creation, model selection & ensemble, performance metrics & visualization • Effectively communicate ML/NLP models’ predictive & descriptive data analysis/statistics & visualization to internal/external customer & stakeholders • Design, train, validate end to end ML models & pipelines for image, video, timeseries, seq2seq using Tensorflow, Keras, Pytorch to setup deep CNN,RNNs/LSTM/GRUs with RELU/Tanh/Sigmoid activations, convolution, max pooling & batch normalization layers, loss functions, optimizers and FC layers, softmax for classification & regressn • Design, embed/train NLP models for text, speech, natural language using NLTK, Word2Vec, SpaCy, Gensim for CBOW, skip-grams, tf-idtf, LDA, HMM or RNN LSTMs • Data munging, EDA, modeling, training, cross-validating, testing, hyper parameter tuning for GLM & NN models & processing on GPUs/cuDNN • Implement ML/NLP solutions for anomaly detection, automation/pre-emption, recommender systems, dialog systems, sentiment analysis & document classification. • Production models based on regression, classification, clustering GLMs, SVM, Naive Bayes, kNN, K-Means, Random Forest, PCA, Gradient Boosting (XGBoost,LightGBM) ML/NLP/DL: • Python, TensorFlow/Keras, Scikit-learn, Pytorch, CNN,RNN/LSTMs/GRUs • NLP: Use NLTK, tf-idtf, , Word2Vec/GLOVE/Fastext, SpaCy, Gensim, LDA/LSA, CRF/HMM and Transformers (BERT/GPT)

Successfully deployed and commercially launched an end to end GSM network in Republic of Congo and delivered an engineering organization capable of deploying and managing the network.

Product Manager – Applications Solutions Business Unit (ASBU) (Dallas, USA): • Product manage prepaid/IN solution portfolio for telecom service providers in Europe, Middle East Asia and Latin America. • Formulate market strategy, business development & implementation recommendations to senior leadership and provide consultancy and solutions to service providers within the context of their existing systems, their market and competitive strategy, and their evolutionary needs for data, NGN, 3G and IMS solutions Bids & Proposals (B&P) Manager: • Managed the evaluation of telecom customer's network, services & operations and designed evolution paths for migration to next generation technologies. Drove cross-functional teams to generate RFP responses, present technical solutions to customers, support sales teams, generate business cases, support bid preparation, contract negotiation and network deployments.

Product Line Manager - GSM Network Subsystems Group (Dallas, USA): • Managed the GSM Piconode MSC product line, worked with 3rd party companies & small telecom service providers, successfully enabling Nortel entry into GSM Piconode MSC market • Led the custom product development project for British Telecom, by leading a team of designers to successfully complete the high priority project in time. • Introduced & evaluated new services in the Nortel GSM product line based on market requirements and analysis of competitor’s GSM products Sr. Designer – GSM Call Processing & Supplementary Services Group: • Technical expert, group head & instructor for GSM numbering & SS7 translation & routing • Developer for packet/circuit (SS7) telephony, call processing and supplementary services at MSC/VLR, HLR, SGSN, GGSN including UMTS services. Field Support Engineer - ANSI-41 Network Subsystems: • Responsible for supporting live in-service MSC/VLRs, HLRs and BSS in various service provider’s networks. Debugged call scenarios, identified problems and designed and applied software patches. • Led team of engineers supporting live switch cutovers, upgrades, deployments & subscriber migrations in various telecom service provider networks