CosmoQuest-a-Con: Guests

Join us on July 17-19 to watch panels, presentations and performances from these amazing guests!

Guests of Honor

Amy Davis Roth, #SciArt Guest of Honor

Amy Davis Roth is a 4th generation multimedia artist with a love of science and nature. She’s the creator of Surly-Ramics jewelry, a ceramic jewelry line that encourages exploration, education and political awareness. She has made over 19,000 necklaces by hand. She is also a potter and painter.

🌎, @SurlyAmy

Scott Manley, #Gamer Guest of Honor

Scott Manly is best known for his space rich youtube channel where he occasionally manages to cover video games & science at the same time. He’s amassed over 1million subscribers over the last decade of shoddily produced but content rich videos covering space, rocketry, nuclear physics and little green men.


Dr. Erin MacDonald, #SciComm Guest of Honor

Dr Erin Macdonald is an astrophysicist, science consultant (Star Trek), and streams educational content using popular culture.

🌎, @DrErinMac

Additional Guests

This will be updated daily as we add new guests!
This is a work in progress and not necessarily representative of who was invited!


Meri Amber

Meri Amber is a musical comedian from Sydney. She has songs inspired by everything from Doctor Who, ninjas and zombies, to space, cats, food and robots taking over the world! She also has a most exquisite novelty hat collection.


Abigail Bollenbach

SciComm, Host/Writer/ of “Infinity and Beyond” with Astronomy Magazine, Nano Particulate Specialist, Amateur Astronomer, Youth Leader. Narrator/Writer Planetarium show “From Earth to Saturn. Recognized by nat’l & inter’l organizations for work in science and astronomy public outreach projects.

🌎 LinkedIn

David Dickinson

Freelance Writer, long-time amateur astronomer, and author of the forthcoming Backyard Astronomer’s Deep-Sky Field Guide.

🌎 Amazon Author Page

Leo d’Entremont

Leo d’Entremont is a biologist, published author, EMT, Army veteran, and all-round nerd. He has been involved in fandom for almost 20 years, and has been a panelist/participant at fan conventions for about fifteen years.

Doug Ellison

Doug Ellison

After a 10 year career in Multimedia Production and science data visualization in the British medical industry, Doug moved to Southern California to work at NASA’s Jet Propulsion Laboratory in 2010. He is now the Engineering Camera Team Lead for the Curiosity Mars Rover.


Dr. Elizabeth Ferrara

Dr. Elizabeth Ferrara is a Research Scientist at the University of Maryland studying pulsars and gravitational waves. She has worked on several NASA missions at all phases: before, during, and after launch, and is currently an active participant in NICER, an X-ray telescope on the ISS.

Female Superheroes of Science

We are the Female Superheroes of Science! Our mission is to inspire children of all ages with the power science and the possibilities of their future. Join us and save the world!

🌎 On Facebook

Dr. Stephen Granade

Stephen Granade is a physicist and writer living in Huntsville, Alabama, the town whose skyline includes a Saturn V rocket. His short fiction has appeared in Escape Pod and sub-Q Magazine. He has only set himself on fire with a laser once.


Dr. Kevin Grazier

Dr. Kevin Grazier is a planetary physicist specializing in early Solar System dynamics. He was the science advisor for several TV series and films, is the co-author of the Hollyweird Science series of books, and wrote the pilot for the animated series “Space Quest”, currently in production.


Dr. David Grinspoon

David Grinspoon is an astrobiologist, author and musician. His latest book is Chasing New Horizons, Inside the Epic First Mission to Pluto, co-authored with Alan Stern. He has been awarded the Carl Sagan Medal for Public Communication of Planetary Science by the American Astronomical Society.


George Hrab

Multi-instrumentalist, singer, songwriter, story teller, producer, composer, and heliocentrist George Hrab has written and produced six CDs & a concert DVD; published two books; recorded over 650 episodes of an award-winning podcast; emceed countless science conferences and was a TEDx speaker.



A largely self-taught glass artist Ishirna enjoys bringing to life creations from popular media and the natural world, continually striving to push her skills to bring more detail and accuracy to her work.


G. S. Jennsen

G. S. Jennsen lives in Colorado with her husband and two dogs. She has become an internationally bestselling science fiction author since her first novel, Starshine, was published in 2014. In past lives she was a lawyer, a software engineer and an editor.


Dr. Jeffrey S. Kargel

Jeff Kargel is a geologist, glaciologist, and planetary scientist. He studies the chemistry of briny waters on Mars and icy moons, and glaciers on Mars and Earth. He studied geology at Ohio State and Planetary Science at the University of Arizona, and joined the Planetary Science Institute in 2018.

Dr. George Kramer

Ask me about lunar swirls and space dew.

Baron Destructo (aka Joseph Mallozzi)

Joseph Mallozzi is a writer, showrunner, and producer with over 20 years experience in the t.v. industry and over 350 hours of produced television to his credit. His credits include the Stargate franchise (SG-1, Atlantis, Universe) Dark Matter, and, most recently, Hulu’s Utopia Falls.


Mika McKinnon

Mika McKinnon is a geophysicist, disaster researcher, and scientist for fiction. As our friendly neighbourhood geoscientist, she offers tasting notes on rocks, tweaks party planning to enhance disaster preparedness, and obsesses over impending doom.


Moiya McTier

Moiya McTier is an astrophysicist who studies exoplanets and a folklorist who specializes in building fictional worlds. You can hear all about the worlds she’s built on her podcast, Exolore, where she invites experts to help her imagine a different alien planet in every episode.



Quality Engineer with a penchant for cosplay and chasing children around with Radio Controlled Robots made from Lego.


Dr. Beatrice Mueller

Senior Scientist at the Planetary Science Institute. Cometary researcher for 30 years (lightcurves and coma morphology studies). STEM outreach with favorite activity of making comet nucleus models.

PSI profile


Dr. Eldar Noe

Eldar Noe is a planetary scientist obsessed with Mars exploration. He is interested in the role of water in the geological history of Mars, is astrobiological implications, and its role in ISRU.

on PSI website

Dr. Andrés Plazas

Dr. Plazas is an observational cosmologist working for Princeton and the Rubin Observatory and is part of projects such as DES, LSST DESC, and the Roman Space Telescope that use gravitational lensing to learn about dark energy. He is also a NASA JPL Solar System Ambassador volunteer.

🌎 On Dark Energy Survey site

Dr. Sean Raymond

Sean Raymond is an astronomer studying the origins of the Solar System and other planetary systems. On his blog – – Sean writes astronomy poems, evaluates well-known science fiction worlds, and builds unexpected planetary systems, some with hundreds of habitable planets.


Morgan Rehnberg

Dr. Morgan Rehnberg is Chief Scientist at the Fort Worth Museum of Science and History. A planetary scientist by training, he’s been a co-host of the Weekly Space Hangout since 2014. His work can also be found on the award-winning YouTube show SciShow and at Eos.


Gillian Rhodes

Gillian Rhodes is a dancer, choreographer, and storyteller. Since graduating from Columbia University in 2012, she choreographed for television in Cambodia, danced for a professional company in South Korea, and now freelances in Pakistan, choreographing for films and plays, performing, and modeling.


Dr. Ed Rivera-Valentín

Ed Rivera-Valentín is a planetary scientists at the Lunar and Planetary Institute. Ed’s expertise centers around two planetary science applications: Planetary Defense and Planetary Protection.

🌎 @PlanetTreky


RockitSage is an instructor of geology at Cal State and has been streaming on Twitch since 2015. From scanning electron microscopy to field work Sage shares her love of geology on Twitch, and now YouTube, both indoors and outdoors.


Richard Saunders

Richard Saunders is best known as an international expert on skepticism, and a documentary filmmaker. Life member of Australian Skeptics Inc., Fellow of the CFI and the JREF $1,000,000 prize committee. Richard is also the producer and host of “The Skeptic Zone” podcast.


Eran Segev

Science nerd, astronomy lover, and very active skeptic. I am a member of the Australian Skeptics Inc committee and former President of the organisation.

Mike Simmons

Mike Simmons has done public outreach for almost 50 years, founding and leading multiple organizations. He led the 100 Hours of Astronomy Cornerstone Project of the IYA2009 and created Astronomers Without Borders in 2006. He is a retired biomedical researcher.


Dr. Mark V. Sykes

Sykes is the C.E.O. of the Planetary Science Institute. He studies asteroids, comets and interplanetary dust, using both ground-based and space-based telescopes, primarily in the thermal infrared. He is the discoverer of cometary dust trails and extended structures arising from asteroid collisions.

🌎 On PSI website/

Dennis E. Taylor

Dennis E. Taylor is a retired computer programmer, snowboarder, mountain-biker, and author of several books, including the Bobiverse Trilogy.


Alex Teachey

Alex Teachey is an NSF Graduate Research Fellow in the Department of Astronomy at Columbia University, and soon-to-be Distinguished Postdoctoral Fellow at the Academia Sinica Institute of Astronomy & Astrophysics. His research focuses on finding and characterizing exomoons.

@ alexteachey

Dr. Trevor S Valle

Trevor Valle is a paleontologist, a certified cicerone, and an outspoken science communicator on Twitter. He has appeared all over television including The History Channel, The Discovery Channel, the National Geographic Channel, BBC/BBC America, in documentaries, and at multiple Nerd Nite meetings.


David Joseph Wesley

Grammy Award nominated composer David Joseph Wesley Is one of the most prolific composers working in Hollywood today.He has created the scores for multiple films, TV series and video games. Some of his recent credits include “James Cameron‘s Story of Science Fiction“, “Firefly Online“ (based on the TV series “Firefly”), “Family Guy”, “A Series of Unfortunate Events“, “Saturday Night Live“ and “Full Frontal with Samantha Bee“. his music has also been heard in the trailers for “Toy Story 4“, “Transformers: Dark of the Moon“, “Hotel Transylvania“ and “Ender’s Game“ among many others. Alongside his passion for music, film and TV,David’s deep love of astronomy and science goes back to his early childhood. In addition to his film and TV work, he continues to combine these two passions by creating albums of music inspired by the cosmos. @djwfilmmusic

Alex White

Alex White is the author of several sci-fi series, including The Salvagers for Orbit Books and Alien movie tie ins.