Meet Our Team

We are psychologists with an extensive background in understanding human behavior. We are experts equipped with the skills, tools and knowledge to help you create intuitive, useful and delightful products for your customers.

MONICA SNIDEMAN, Ph.D.

Managing Partner

​Monica holds a M.A. and Ph.D. in Cognitive Experimental Psychology from Rice University, with a focus in Cognitive Neuroscience. Her interest in the human brain translated easily to the applied field of user experience, where she enjoys the process of understanding human behavior and perception. For the past 24 years, she has used her research skills to identify ways in which products can become more usable and intuitive. Her experience includes research with a wide range of websites, software, and hardware. Her projects have spanned a wide variety of companies across multiple sectors, including technology, healthcare, and energy/oil and gas.

CHRISTY HARPER, M.A.

Managing Partner

​Christy holds a B.S. and M.A. in Psychology from UHCL, where she is a Distinguished Alumni. For 18 years she worked at Compaq and HP first as a researcher and later managing the HF/UX research team responsible for the iterative design and improvement of products in the personal computing space. Prior work includes research for education, digital entertainment products, IoT and input devices. Her primary area of expertise is contextual/ethnographic research and human factors research applied to new product design.

Research Team

WILL ALTHOFF, M.S.

Lead UX Researcher

Will is an experienced UX researcher who leads research studies for clients from various industries, including technology, oil and gas, and gaming industries. Will conducts unique research projects, specializing in software evaluations, competitive evaluations between products, and research involving software and applications. Prior to becoming the Lead UX Researcher at E2E, Will was heavily involved in research regarding reliance and compliance with automated systems and feedback from AI partners and has applied this background to current industry projects. Will received his M.S. in Human Factors Psychology from the University of Houston-Clear Lake and previously served in the United States Army.

ANDY MUDDIMER

Senior UX Research Consultant

Andy enjoys all aspects of Human Factors and has wide experience in product design, finding the best solution to complex problems. Andy was the UX Manager for OpenStax at Rice University for over 5 years. Prior to that he had a 20-year career with SLB/Schlumberger, designing oilfield equipment of all types, wherever people work, cabins, trucks, boats, rigs, anything. For the last few years, he was focused on Usability of software (now called UX). Andy was also the Owner/Principal Ergonomist at Workplace Sense before joining OpenStax. Andy holds a BSc from Loughborough University, UK in Human Factors.

SARAH STUTTS, M.S.

UX Research Consultant

Sarah is a user experience researcher and anthropologist specializing in ethnographic research methods. Passionate about human-centered design, she leverages qualitative and quantitative research to creatively solve problems and positively impact lives. With a M.S. in Applied Anthropology and a track record of success in consumer, academic, medical, and UX design research, Sarah has collaborated with clients like Google, Amazon, and Uber to lead tailored mixed-method research projects that prioritize user advocacy and drive business growth.

MOHAMED SHEIK-NAINAR, Ph.D.

Senior UX Research Consultant

Mohamed is a seasoned user experience and human factors researcher with experience setting strategic UX vision and leading a team. Currently, he is completing free-lance work with End to End User Research. He is the Director of User Experience at Synaptics Incorporated based in San Francisco. Mohamed has extensive experience in researching various types of input devices and contributed to new product designs, engineering decision making, and customer design wins. He is an expert in generative, iterative and evaluative methodologies, experience design and statistical analyses. Mohamed is passionate about creative thinking and problem solving with a flair for generating and experimenting with new ideas and concepts.

AMANDA KASSICK, M.S.

Senior UX Research Consultant

Amanda is a mixed methods researcher that excels in qualitative methodologies, which she has used in B2B and B2C spaces, AdTech (Advertising), EdTech (Education), and hardware. Her research has contributed to products, interactions or ads of notable brands such as HP, Dell, Roku, McDonald's, Walmart, Barbie, Acura, Subaru, and Carnival Cruise to go live. Known for building strong stakeholder relationships, Amanda excels at translating research findings into actionable, monetizable recommendations. Amanda holds an MBA in Marketing: Consumer Sciences and an M.S. in Human Factors Psychology

DEVIN HILL, M.S.

UX Research Consultant

Devin is a curious and ambitious designer who solves complex problems through research analysis and first-hand conversations with users. He is focused on a design approach that brings research and strategy together, building user-friendly designs that engage and inspire. Devin holds a B.S. in Health & Human Sciences from Northern Illinois University and a M.S. in Sport Management from Sam Houston State University. His recent experiences allowed him to expand his human center design thinking into the
e-commerce space, where he is able to make an impact on small business owners and commercial clients alike. Outside of research and design, he loves working out, going on bike rides, playing any game where you keep score and hanging out with his dog, Rolo. 

PRAJAKTA RAMPURE, M.S.

UX Researcher

Prajakta is a UX Researcher who also double-hats as a Designer as needed. She has a Master's degree in Human Systems Engineering from Arizona State University. Her experience as a UX Generalist and background in HSE has matured her understanding of both Human Factors Research and User Experience. She is interested in striking the right balance between user and business needs and exploring and building solutions that are supported by evidence through research. 

AMANDA JACKEY, M.A.

UX Research Associate

Amanda is a UX Research Associate at End to End with extensive experience studying human behavior. As a researcher, she is versed in both qualitative and quantitative methods, including user interviews, usability testing, heuristic evaluations, surveys, contextual inquiries, tree tests and card sorts. Her passion lies in conducting ethnographic research, allowing her to observe human behavior in natural settings and shape designs that align seamlessly with user needs and expectations. With a Bachelor's in Psychology from the University of Houston and a Master's in Applied Behavior Analysis from Ball State University, Amanda combines her academic foundation with practical expertise to enhance user experiences. Drawing from her background working with individuals with developmental disabilities, she continues to be an advocate for accessibility in design.

CHRISTINA GRIEP

UX Research Assistant​

Christina is a UX Research Assistant at End to End, with extensive experience in cognitive psychology research. She received a Bachelor’s degree in psychology from Florida International University, a Master’s degree in global marketing management from Boston University and is currently a graduate student at the University of Houston with a focus on developmental cognitive behavioral neuroscience. She has a strong background in mixed methods research to explore and explain human behavior and attitudes. Her research has investigated cognitive abilities across various age groups, including infants, children, and adults. Her expertise includes data analysis, and data visualization using tools like R, SPSS, and MATLAB.  Her passion for understanding the connection between people, businesses, and technology drives her to leverage her expertise in user experience research to deliver valuable insights and improve user interactions. 

Diego Salazar

UX Research Intern

Diego is a first-year graduate student in the Human Factors Psychology program at the University of Houston-Clear Lake. He received a B.A. with Honors in Psychology from The University of Texas at Austin and graduated from the Visual Arts Department at HSPVA. Diego first became acquainted with user research and data collection as an Instruction Assistant for the UT Psychology Department, where he worked on developing and moderating surveys, coding statistics using R Studio, and receiving education on the design process behind faculty-developed mobile and desktop applications measuring mindfulness. Diego joined the field of human factors to obtain a well-developed understanding of user-centered design, seeking to facilitate optimal user experiences from the foundations of the design process - user research.

PAOLA BUENO

UX Research Intern

Paola is currently pursuing a Master's in Human Factors Psychology at the University of Houston - Clear Lake (UHCL), complementing a Bachelor of Business Administration in Management Information Systems from the University of Houston - Downtown. Her international exchange program in Tallinn, Estonia, focused on Design Theory and Methodology and Multimedia Development, expanding her global perspective on UX research. Her academic journey and past experience have instilled a deep understanding between the intersection of technology and psychology through her time as a research assistant for the UHCL Perception and Action Lab under the supervision of Dr. Nicholas Kelling. Her proficiency in managing research protocols and conducting meticulous data collection is a valuable asset for her role as a UX Researcher Intern.

Recruiting and Operations Team

HANNAH KENNEDY

Marketing Operations Manager

​Hannah Kennedy is our Marketing Operations Manager. She grows our database of research participants by implementing strategic marketing practices. She has a vast amount of experience as a social media marketing and eLearning coordinator in the nonprofit and technology sector. As marketing coordinator, Hannah has utilized marketing and advertising strategies geared towards creating content aimed at recruiting donors, volunteers and 45+ attendees on a monthly basis for the ACSS Careerworks and Access eLearning programs. With experience spanning more than 12 years B2B and B2C, Hannah’s specialties include photography, videography, voiceover, and design. Hannah is a resident of Atlanta, GA and is currently studying Psychology at Capella University.

ERIKA SNYDER

Recruiting Operations Manager

Erika is a Houston native. She recently graduated from Brigham Young University with a degree in Exercise and Wellness and is currently working on her MBA at Texas A&M University. Her diverse experience includes working as a Spanish teacher and an office supervisor. She is a bilingual recruiter and is our Recruiting Operations Manager. As Recruiting Operations Manager, she helps with strategy, project management, resources, and ensuring that your recruiting projects run smoothly.  

MALOBIKA BHATTACHARJEE

Research Recruiting Specialist

​Malobika is one of our Research Recruiting Specialists. She has her MS in Human Resource Management from the University of Bradford, UK and holds a BA in Political Science with a minor in Economics from Gauhati University - Assam, India. Malobika also holds an LLB degree in India, equivalent to a JD degree here in the US. Malobika has continued her professional development by earning a SAP SuccessFactors certificate and completing Google's Digital Marketing & E-commerce program. Her experiences include recruitment and international communication.

ASHLEY NORRIS

Research Recruiting Specialist

Ashley is one of our Research Recruiting Specialists. She received her A.S. in Information Technology in 2021 from Purdue University Global. Throughout her career, Ashley  gained valuable IT, customer care, and manufacturing experience that drives her continued success. She now applies her skills to recruit dependable research participants for End to End's research studies. 

CHARITY ADAMS

Operations Manager

Charity is our Operations Manager and our go-to for the business side of our organization. She ensures that everyone has what they need to accomplish their work in an enjoyable environment. From music, supplies, snacks, and smiles to recruiting, scheduling, records and budgets, she keeps us running, enabling us to focus on your research needs. Charity holds a B.A. in Oral Communication from Weber State University and has extensive experience running non-profit organizations.

SAM MANCUSO

Office Manager

Sam is our Office Manager. He greets you and welcomes you into our establishment and makes sure you are ready for your study. He helps out with clients and contacting participants for our future studies and creating a welcoming environment in our office.