Investing Profile

James N. Topper

InvestorVC
Independent Consultant at Decheng Capital
frazierhealthcare.com/team/ja...Menlo Park, California
Photo of James N. Topper, Decheng Capital
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Networks James is a member of
Stanford University Network
1414 CONNECTIONS
Stanford University Network
513 CONNECTIONS
Capital One Network
83 CONNECTIONS
Arizona State University Network
63 CONNECTIONS
Hired Network
15 CONNECTIONS

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Current Investing Position
Decheng Capital
Investment Range
$100K - $5.0M
Sweet Spot
$1.5M
Investments On Record
30

James N. Topper is on these Sector & Stage Rankings

James N. Topper's Investments On Record (18)

CompanyStageDateRound SizeTotal Raised
Immutrin
Series AMar 2026$87M
$87M
Co-investors: Nihal Sinha (F-Prime Capital Partners), Michael Anstey (Cambridge Innovation Capital)
Diagonal Therapeutics
Series BJan 2026$130M
Series AApr 2024$130M
$250M
Co-investors: Paulina Hill (Polaris Partners), Jernej Godec (Atlas Venture), Michael Gladstone (Atlas Venture)
Attovia Therapeutics
Series CApr 2025$90M
Series BMay 2024$110M
Series AJun 2023$60M
$260M
Co-investors: Aaron Royston (venBio)
Enlaza Therapeutics
Series AApr 2024$100M
SeedOct 2022$61M
$160M
Co-investors: Marcos Milla (Samsara BioCapital), Jay Lichter (Madrona Venture Group), Stephen Squinto (J.P. Morgan Asset Management)
Lassen Therapeutics
Series BDec 2023$85M
$85M
Co-investors: Dan Janney (IDF)
Millendo Therapeutics
Series UnknownAug 2018$30M
Series BJan 2016$62M
Series AAug 2012$16M
$110M
Co-investors: Carol Gallagher (New Enterprise Associates (NEA)), Bill Harrington (Osage University Partners (OUP))
Mavupharma
Series ANov 2017$20M
$20M
Aptinyx
Series AMay 2016$65M
$140M
Co-investors: Adam Koppel (Bain Capital Ventures), Liam Ratcliffe (New Leaf Venture Partners)

James N. Topper's Experience

Alumnus Stanford UniversityPresent
President Xelas Consulting LLCPresent
Independent Consultant EVERFIPresent
Consultant Funny Or DiePresent
Independent Consultant Capital OnePresent
Independent Consultant After School AppPresent
Independent Consultant HiredPresent
Independent Consultant Decheng CapitalPresent
Independent Consultant Frazier Healthcare PartnersPresent
Mental Skills Consultant Seattle Seawolves RugbyPresent

James N. Topper's Education

Arizona State University Master of Counseling Counseling Psychology
Stanford University Ph.D. Counseling Psychology

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